20810312

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{9001}}^1$

素因数の和:9041

約数の個数: 24

約数和(自身を含む): 41454210

約数和(自身を除く): 20643898

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 9001, 18002, 36004, 72008, 153017, 306034, 612068, 1224136, 2601289, 5202578, 10405156, 20810312]

約数ペア:

[(1, 20810312), (2, 10405156), (4, 5202578), (8, 2601289), (17, 1224136), (34, 612068), (68, 306034), (136, 153017), (289, 72008), (578, 36004), (1156, 18002), (2312, 9001)]