20011728961

素因数分解:

$7^1\times {\mathrm{401}}^1\times {\mathrm{1693}}^1\times {\mathrm{4211}}^1$

素因数の和:6312

約数の個数: 16

約数和(自身を含む): 22946571648

約数和(自身を除く): 2934842687

約数列:

[1, 7, 401, 1693, 2807, 4211, 11851, 29477, 678893, 1688611, 4752251, 7129223, 11820277, 49904561, 2858818423, 20011728961]

約数ペア:

[(1, 20011728961), (7, 2858818423), (401, 49904561), (1693, 11820277), (2807, 7129223), (4211, 4752251), (11851, 1688611), (29477, 678893)]