20505468

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{100517}}^1$

素因数の和:100541

約数の個数: 24

約数和(自身を含む): 50661072

約数和(自身を除く): 30155604

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 100517, 201034, 301551, 402068, 603102, 1206204, 1708789, 3417578, 5126367, 6835156, 10252734, 20505468]

約数ペア:

[(1, 20505468), (2, 10252734), (3, 6835156), (4, 5126367), (6, 3417578), (12, 1708789), (17, 1206204), (34, 603102), (51, 402068), (68, 301551), (102, 201034), (204, 100517)]