20952095

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 25734240

約数和(自身を除く): 4782145

約数列:

[1, 5, 73, 137, 365, 419, 685, 2095, 10001, 30587, 50005, 57403, 152935, 287015, 4190419, 20952095]

約数ペア:

[(1, 20952095), (5, 4190419), (73, 287015), (137, 152935), (365, 57403), (419, 50005), (685, 30587), (2095, 10001)]