20199963085

素因数分解:

$5^1\times {\mathrm{40801}}^1\times {\mathrm{99017}}^1$

素因数の和:139823

約数の個数: 8

約数和(自身を含む): 24240794616

約数和(自身を除く): 4040831531

約数列:

[1, 5, 40801, 99017, 204005, 495085, 4039992617, 20199963085]

約数ペア:

[(1, 20199963085), (5, 4039992617), (40801, 495085), (99017, 204005)]