868742020

素因数分解:

$2^2\times 5^1\times {\mathrm{43437101}}^1$

素因数の和:43437110

約数の個数: 12

約数和(自身を含む): 1824358284

約数和(自身を除く): 955616264

約数列:

[1, 2, 4, 5, 10, 20, 43437101, 86874202, 173748404, 217185505, 434371010, 868742020]

約数ペア:

[(1, 868742020), (2, 434371010), (4, 217185505), (5, 173748404), (10, 86874202), (20, 43437101)]