20533877

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4801}}^1$

素因数の和:4868

約数の個数: 16

約数和(自身を含む): 25815552

約数和(自身を除く): 5281675

約数列:

[1, 7, 13, 47, 91, 329, 611, 4277, 4801, 33607, 62413, 225647, 436891, 1579529, 2933411, 20533877]

約数ペア:

[(1, 20533877), (7, 2933411), (13, 1579529), (47, 436891), (91, 225647), (329, 62413), (611, 33607), (4277, 4801)]