20426488

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{12101}}^1$

素因数の和:12318

約数の個数: 16

約数和(自身を含む): 38484360

約数和(自身を除く): 18057872

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 12101, 24202, 48404, 96808, 2553311, 5106622, 10213244, 20426488]

約数ペア:

[(1, 20426488), (2, 10213244), (4, 5106622), (8, 2553311), (211, 96808), (422, 48404), (844, 24202), (1688, 12101)]