20497157045

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1\times {\mathrm{27427}}^1$

素因数の和:28660

約数の個数: 16

約数和(自身を含む): 24799739328

約数和(自身を除く): 4302582283

約数列:

[1, 5, 137, 685, 1091, 5455, 27427, 137135, 149467, 747335, 3757499, 18787495, 29922857, 149614285, 4099431409, 20497157045]

約数ペア:

[(1, 20497157045), (5, 4099431409), (137, 149614285), (685, 29922857), (1091, 18787495), (5455, 3757499), (27427, 747335), (137135, 149467)]