20407960880

素因数分解:

$2^4\times 5^1\times {\mathrm{255099511}}^1$

素因数の和:255099524

約数の個数: 20

約数和(自身を含む): 47448509232

約数和(自身を除く): 27040548352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255099511, 510199022, 1020398044, 1275497555, 2040796088, 2550995110, 4081592176, 5101990220, 10203980440, 20407960880]

約数ペア:

[(1, 20407960880), (2, 10203980440), (4, 5101990220), (5, 4081592176), (8, 2550995110), (10, 2040796088), (16, 1275497555), (20, 1020398044), (40, 510199022), (80, 255099511)]