20525219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 24779664

約数和(自身を除く): 4254445

約数列:

[1, 11, 13, 61, 143, 169, 181, 671, 793, 1859, 1991, 2353, 8723, 10309, 11041, 25883, 30589, 113399, 121451, 143533, 336479, 1578863, 1865929, 20525219]

約数ペア:

[(1, 20525219), (11, 1865929), (13, 1578863), (61, 336479), (143, 143533), (169, 121451), (181, 113399), (671, 30589), (793, 25883), (1859, 11041), (1991, 10309), (2353, 8723)]