20175880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17393}}^1$

素因数の和:17433

約数の個数: 32

約数和(自身を含む): 46963800

約数和(自身を除く): 26787920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17393, 34786, 69572, 86965, 139144, 173930, 347860, 504397, 695720, 1008794, 2017588, 2521985, 4035176, 5043970, 10087940, 20175880]

約数ペア:

[(1, 20175880), (2, 10087940), (4, 5043970), (5, 4035176), (8, 2521985), (10, 2017588), (20, 1008794), (29, 695720), (40, 504397), (58, 347860), (116, 173930), (145, 139144), (232, 86965), (290, 69572), (580, 34786), (1160, 17393)]