20090958895

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{57397}}^1$

素因数の和:57619

約数の個数: 32

約数和(自身を含む): 28135122048

約数和(自身を除く): 8044163153

約数列:

[1, 5, 7, 35, 73, 137, 365, 511, 685, 959, 2555, 4795, 10001, 50005, 57397, 70007, 286985, 350035, 401779, 2008895, 4189981, 7863389, 20949905, 29329867, 39316945, 55043723, 146649335, 275218615, 574027397, 2870136985, 4018191779, 20090958895]

約数ペア:

[(1, 20090958895), (5, 4018191779), (7, 2870136985), (35, 574027397), (73, 275218615), (137, 146649335), (365, 55043723), (511, 39316945), (685, 29329867), (959, 20949905), (2555, 7863389), (4795, 4189981), (10001, 2008895), (50005, 401779), (57397, 350035), (70007, 286985)]