20991625199

素因数分解:

${\mathrm{1019}}^1\times {\mathrm{4111}}^1\times {\mathrm{5011}}^1$

素因数の和:10141

約数の個数: 8

約数和(自身を含む): 21021530880

約数和(自身を除く): 29905681

約数列:

[1, 1019, 4111, 5011, 4189109, 5106209, 20600221, 20991625199]

約数ペア:

[(1, 20991625199), (1019, 20600221), (4111, 5106209), (5011, 4189109)]