20195090

素因数分解:

$2^1\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2351}}^1$

素因数の和:3217

約数の個数: 16

約数和(自身を含む): 36408960

約数和(自身を除く): 16213870

約数列:

[1, 2, 5, 10, 859, 1718, 2351, 4295, 4702, 8590, 11755, 23510, 2019509, 4039018, 10097545, 20195090]

約数ペア:

[(1, 20195090), (2, 10097545), (5, 4039018), (10, 2019509), (859, 23510), (1718, 11755), (2351, 8590), (4295, 4702)]