20558042

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8243}}^1$

素因数の和:8317

約数の個数: 16

約数和(自身を含む): 32646240

約数和(自身を除く): 12088198

約数列:

[1, 2, 29, 43, 58, 86, 1247, 2494, 8243, 16486, 239047, 354449, 478094, 708898, 10279021, 20558042]

約数ペア:

[(1, 20558042), (2, 10279021), (29, 708898), (43, 478094), (58, 354449), (86, 239047), (1247, 16486), (2494, 8243)]