20396929

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{839}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 24514560

約数和(自身を除く): 4117631

約数列:

[1, 7, 23, 151, 161, 839, 1057, 3473, 5873, 19297, 24311, 126689, 135079, 886823, 2913847, 20396929]

約数ペア:

[(1, 20396929), (7, 2913847), (23, 886823), (151, 135079), (161, 126689), (839, 24311), (1057, 19297), (3473, 5873)]