20178697804

素因数分解:

$2^2\times {\mathrm{70891}}^1\times {\mathrm{71161}}^1$

素因数の和:142056

約数の個数: 12

約数和(自身を含む): 35313715528

約数和(自身を除く): 15135017724

約数列:

[1, 2, 4, 70891, 71161, 141782, 142322, 283564, 284644, 5044674451, 10089348902, 20178697804]

約数ペア:

[(1, 20178697804), (2, 10089348902), (4, 5044674451), (70891, 284644), (71161, 283564), (141782, 142322)]