20369660

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2837}}^1$

素因数の和:3205

約数の個数: 24

約数和(自身を含む): 42910560

約数和(自身を除く): 22540900

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 2837, 3590, 5674, 7180, 11348, 14185, 28370, 56740, 1018483, 2036966, 4073932, 5092415, 10184830, 20369660]

約数ペア:

[(1, 20369660), (2, 10184830), (4, 5092415), (5, 4073932), (10, 2036966), (20, 1018483), (359, 56740), (718, 28370), (1436, 14185), (1795, 11348), (2837, 7180), (3590, 5674)]