20165670895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2176543}}^1$

素因数の和:2176674

約数の個数: 16

約数和(自身を含む): 25857342720

約数和(自身を除く): 5691671825

約数列:

[1, 5, 17, 85, 109, 545, 1853, 9265, 2176543, 10882715, 37001231, 185006155, 237243187, 1186215935, 4033134179, 20165670895]

約数ペア:

[(1, 20165670895), (5, 4033134179), (17, 1186215935), (85, 237243187), (109, 185006155), (545, 37001231), (1853, 10882715), (9265, 2176543)]