20199194525

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{7999681}}^1$

素因数の和:7999792

約数の個数: 12

約数和(自身を含む): 25294994484

約数和(自身を除く): 5095799959

約数列:

[1, 5, 25, 101, 505, 2525, 7999681, 39998405, 199992025, 807967781, 4039838905, 20199194525]

約数ペア:

[(1, 20199194525), (5, 4039838905), (25, 807967781), (101, 199992025), (505, 39998405), (2525, 7999681)]