20401570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{769}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 21732830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 379, 758, 769, 1538, 1895, 2653, 3790, 3845, 5306, 5383, 7690, 10766, 13265, 26530, 26915, 53830, 291451, 582902, 1457255, 2040157, 2914510, 4080314, 10200785, 20401570]

約数ペア:

[(1, 20401570), (2, 10200785), (5, 4080314), (7, 2914510), (10, 2040157), (14, 1457255), (35, 582902), (70, 291451), (379, 53830), (758, 26915), (769, 26530), (1538, 13265), (1895, 10766), (2653, 7690), (3790, 5383), (3845, 5306)]