20160154780

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2807821}}^1$

素因数の和:2808189

約数の個数: 24

約数和(自身を含む): 42454268640

約数和(自身を除く): 22294113860

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 2807821, 5615642, 11231284, 14039105, 28078210, 56156420, 1008007739, 2016015478, 4032030956, 5040038695, 10080077390, 20160154780]

約数ペア:

[(1, 20160154780), (2, 10080077390), (4, 5040038695), (5, 4032030956), (10, 2016015478), (20, 1008007739), (359, 56156420), (718, 28078210), (1436, 14039105), (1795, 11231284), (3590, 5615642), (7180, 2807821)]