2020154305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{839981}}^1$

素因数の和:840036

約数の個数: 16

約数和(自身を含む): 2681222544

約数和(自身を除く): 661068239

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 839981, 4199905, 10919753, 31079297, 54598765, 155396485, 404030861, 2020154305]

約数ペア:

[(1, 2020154305), (5, 404030861), (13, 155396485), (37, 54598765), (65, 31079297), (185, 10919753), (481, 4199905), (2405, 839981)]