20717491376

素因数分解:

$2^4\times {\mathrm{233}}^1\times {\mathrm{5557267}}^1$

素因数の和:5557508

約数の個数: 20

約数和(自身を含む): 40312422072

約数和(自身を除く): 19594930696

約数列:

[1, 2, 4, 8, 16, 233, 466, 932, 1864, 3728, 5557267, 11114534, 22229068, 44458136, 88916272, 1294843211, 2589686422, 5179372844, 10358745688, 20717491376]

約数ペア:

[(1, 20717491376), (2, 10358745688), (4, 5179372844), (8, 2589686422), (16, 1294843211), (233, 88916272), (466, 44458136), (932, 22229068), (1864, 11114534), (3728, 5557267)]