20717145791

素因数分解:

${\mathrm{89}}^2\times {\mathrm{151}}^1\times {\mathrm{17321}}^1$

素因数の和:17650

約数の個数: 12

約数和(自身を含む): 21092514384

約数和(自身を除く): 375368593

約数列:

[1, 89, 151, 7921, 13439, 17321, 1196071, 1541569, 2615471, 137199641, 232776919, 20717145791]

約数ペア:

[(1, 20717145791), (89, 232776919), (151, 137199641), (7921, 2615471), (13439, 1541569), (17321, 1196071)]