20291368

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47857}}^1$

素因数の和:47916

約数の個数: 16

約数和(自身を含む): 38764980

約数和(自身を除く): 18473612

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47857, 95714, 191428, 382856, 2536421, 5072842, 10145684, 20291368]

約数ペア:

[(1, 20291368), (2, 10145684), (4, 5072842), (8, 2536421), (53, 382856), (106, 191428), (212, 95714), (424, 47857)]