20165186740

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8922649}}^1$

素因数の和:8922771

約数の個数: 24

約数和(自身を含む): 42721648200

約数和(自身を除く): 22556461460

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8922649, 17845298, 35690596, 44613245, 89226490, 178452980, 1008259337, 2016518674, 4033037348, 5041296685, 10082593370, 20165186740]

約数ペア:

[(1, 20165186740), (2, 10082593370), (4, 5041296685), (5, 4033037348), (10, 2016518674), (20, 1008259337), (113, 178452980), (226, 89226490), (452, 44613245), (565, 35690596), (1130, 17845298), (2260, 8922649)]