20870030155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1\times {\mathrm{251431}}^1$

素因数の和:252726

約数の個数: 16

約数和(自身を含む): 26991728064

約数和(自身を除く): 6121697909

約数列:

[1, 5, 13, 65, 1277, 6385, 16601, 83005, 251431, 1257155, 3268603, 16343015, 321077387, 1605386935, 4174006031, 20870030155]

約数ペア:

[(1, 20870030155), (5, 4174006031), (13, 1605386935), (65, 321077387), (1277, 16343015), (6385, 3268603), (16601, 1257155), (83005, 251431)]