20318372263

素因数分解:

$7^1\times {\mathrm{397}}^1\times {\mathrm{631}}^1\times {\mathrm{11587}}^1$

素因数の和:12622

約数の個数: 16

約数和(自身を含む): 23318393344

約数和(自身を除く): 3000021081

約数列:

[1, 7, 397, 631, 2779, 4417, 11587, 81109, 250507, 1753549, 4600039, 7311397, 32200273, 51179779, 2902624609, 20318372263]

約数ペア:

[(1, 20318372263), (7, 2902624609), (397, 51179779), (631, 32200273), (2779, 7311397), (4417, 4600039), (11587, 1753549), (81109, 250507)]