220143380

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{6841}}^1$

素因数の和:8459

約数の個数: 24

約数和(自身を含む): 462656040

約数和(自身を除く): 242512660

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6436, 6841, 8045, 13682, 16090, 27364, 32180, 34205, 68410, 136820, 11007169, 22014338, 44028676, 55035845, 110071690, 220143380]

約数ペア:

[(1, 220143380), (2, 110071690), (4, 55035845), (5, 44028676), (10, 22014338), (20, 11007169), (1609, 136820), (3218, 68410), (6436, 34205), (6841, 32180), (8045, 27364), (13682, 16090)]