20705273044

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{72905891}}^1$

素因数の和:72905966

約数の個数: 12

約数和(自身を含む): 36744569568

約数和(自身を除く): 16039296524

約数列:

[1, 2, 4, 71, 142, 284, 72905891, 145811782, 291623564, 5176318261, 10352636522, 20705273044]

約数ペア:

[(1, 20705273044), (2, 10352636522), (4, 5176318261), (71, 291623564), (142, 145811782), (284, 72905891)]