20978629

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{6079}}^1$

素因数の和:6132

約数の個数: 16

約数和(自身を含む): 26265600

約数和(自身を除く): 5286971

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 6079, 42553, 103343, 176291, 723401, 1234037, 2996947, 20978629]

約数ペア:

[(1, 20978629), (7, 2996947), (17, 1234037), (29, 723401), (119, 176291), (203, 103343), (493, 42553), (3451, 6079)]