Positive Integers » 20001-30000 » 20601-20700 » 20640

# Divisors of the Positive Integer 20640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 4128, 5160, 6880, 10320, 20640## Sum of all the Divisors of 20640, including itself

66528## Sum of the Proper Divisors of 20640

45888## Properties of the number 20640

The integer 20640 is an**even**number.

The integer 20640 is a

**Composite**number.

45888 is

*greater than*20640, so 20640 is an

**abundant**number.

## The number 20640 as a Roman Numeral

**_X_XDCXL**(Roman Numerals with underscores in front have their values increased by 1,000. The underscore represents a line over the numeral, because the Romans used overlines to multiply by 1,000.)

## The number 20640 in various Numeral Systems

Base |
Representation |
---|---|

2: | 101000010100000 |

3: | 1001022110 |

4: | 11002200 |

5: | 1130030 |

6: | 235320 |

7: | 114114 |

8: | 50240 |

9: | 31273 |

10: | 20640 |

11: | 14564 |

12: | BB40 |

13: | 9519 |

14: | 7744 |

15: | 61B0 |

16: | 50A0 |

17: | 4372 |

18: | 39CC |

19: | 3036 |

20: | 2BC0 |

21: | 24GI |

22: | 1KE4 |

23: | 1G09 |

24: | 1BK0 |

25: | 180F |

26: | 14DM |

27: | 118C |

28: | Q94 |

29: | OFL |

30: | MS0 |

31: | LEP |

32: | K50 |

33: | IVF |

34: | HT2 |

35: | GTP |

36: | FXC |