20218378918

素因数分解:

$2^1\times {\mathrm{127}}^2\times {\mathrm{626771}}^1$

素因数の和:627027

約数の個数: 12

約数和(自身を含む): 30568297212

約数和(自身を除く): 10349918294

約数列:

[1, 2, 127, 254, 16129, 32258, 626771, 1253542, 79599917, 159199834, 10109189459, 20218378918]

約数ペア:

[(1, 20218378918), (2, 10109189459), (127, 159199834), (254, 79599917), (16129, 1253542), (32258, 626771)]