20450188818

素因数分解:

$2^1\times 3^2\times {\mathrm{1136121601}}^1$

素因数の和:1136121609

約数の個数: 12

約数和(自身を含む): 44308742478

約数和(自身を除く): 23858553660

約数列:

[1, 2, 3, 6, 9, 18, 1136121601, 2272243202, 3408364803, 6816729606, 10225094409, 20450188818]

約数ペア:

[(1, 20450188818), (2, 10225094409), (3, 6816729606), (6, 3408364803), (9, 2272243202), (18, 1136121601)]