20372180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53611}}^1$

素因数の和:53639

約数の個数: 24

約数和(自身を含む): 45034080

約数和(自身を除く): 24661900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53611, 107222, 214444, 268055, 536110, 1018609, 1072220, 2037218, 4074436, 5093045, 10186090, 20372180]

約数ペア:

[(1, 20372180), (2, 10186090), (4, 5093045), (5, 4074436), (10, 2037218), (19, 1072220), (20, 1018609), (38, 536110), (76, 268055), (95, 214444), (190, 107222), (380, 53611)]