20199973925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{392423}}^1$

素因数の和:392533

約数の個数: 24

約数和(自身を含む): 26276711040

約数和(自身を除く): 6076737115

約数列:

[1, 5, 25, 29, 71, 145, 355, 725, 1775, 2059, 10295, 51475, 392423, 1962115, 9810575, 11380267, 27862033, 56901335, 139310165, 284506675, 696550825, 807998957, 4039994785, 20199973925]

約数ペア:

[(1, 20199973925), (5, 4039994785), (25, 807998957), (29, 696550825), (71, 284506675), (145, 139310165), (355, 56901335), (725, 27862033), (1775, 11380267), (2059, 9810575), (10295, 1962115), (51475, 392423)]