20791238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2767}}^1$

素因数の和:2816

約数の個数: 24

約数和(自身を含む): 35690592

約数和(自身を除く): 14899354

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2767, 3757, 5534, 7514, 35971, 47039, 71942, 94078, 611507, 799663, 1223014, 1599326, 10395619, 20791238]

約数ペア:

[(1, 20791238), (2, 10395619), (13, 1599326), (17, 1223014), (26, 799663), (34, 611507), (221, 94078), (289, 71942), (442, 47039), (578, 35971), (2767, 7514), (3757, 5534)]