20578811

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 23210880

約数和(自身を除く): 2632069

約数列:

[1, 11, 43, 139, 313, 473, 1529, 3443, 5977, 13459, 43507, 65747, 148049, 478577, 1870801, 20578811]

約数ペア:

[(1, 20578811), (11, 1870801), (43, 478577), (139, 148049), (313, 65747), (473, 43507), (1529, 13459), (3443, 5977)]