31707020

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1931}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 66700368

約数和(自身を除く): 34993348

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 1931, 3284, 3862, 4105, 7724, 8210, 9655, 16420, 19310, 38620, 1585351, 3170702, 6341404, 7926755, 15853510, 31707020]

約数ペア:

[(1, 31707020), (2, 15853510), (4, 7926755), (5, 6341404), (10, 3170702), (20, 1585351), (821, 38620), (1642, 19310), (1931, 16420), (3284, 9655), (3862, 8210), (4105, 7724)]