20940205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29287}}^1$

素因数の和:29316

約数の個数: 16

約数和(自身を含む): 29522304

約数和(自身を除く): 8582099

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29287, 146435, 322157, 380731, 1610785, 1903655, 4188041, 20940205]

約数ペア:

[(1, 20940205), (5, 4188041), (11, 1903655), (13, 1610785), (55, 380731), (65, 322157), (143, 146435), (715, 29287)]