20085820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27143}}^1$

素因数の和:27189

約数の個数: 24

約数和(自身を含む): 43321824

約数和(自身を除く): 23236004

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27143, 54286, 108572, 135715, 271430, 542860, 1004291, 2008582, 4017164, 5021455, 10042910, 20085820]

約数ペア:

[(1, 20085820), (2, 10042910), (4, 5021455), (5, 4017164), (10, 2008582), (20, 1004291), (37, 542860), (74, 271430), (148, 135715), (185, 108572), (370, 54286), (740, 27143)]