20764953

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1531}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 32980896

約数和(自身を除く): 12215943

約数列:

[1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 1531, 4521, 4593, 13563, 13779, 16841, 50523, 151569, 209747, 629241, 1887723, 2307217, 6921651, 20764953]

約数ペア:

[(1, 20764953), (3, 6921651), (9, 2307217), (11, 1887723), (33, 629241), (99, 209747), (137, 151569), (411, 50523), (1233, 16841), (1507, 13779), (1531, 13563), (4521, 4593)]