20306871

素因数分解:

$3^2\times {\mathrm{13}}^4\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 30

約数和(自身を含む): 32178640

約数和(自身を除く): 11871769

約数列:

[1, 3, 9, 13, 39, 79, 117, 169, 237, 507, 711, 1027, 1521, 2197, 3081, 6591, 9243, 13351, 19773, 28561, 40053, 85683, 120159, 173563, 257049, 520689, 1562067, 2256319, 6768957, 20306871]

約数ペア:

[(1, 20306871), (3, 6768957), (9, 2256319), (13, 1562067), (39, 520689), (79, 257049), (117, 173563), (169, 120159), (237, 85683), (507, 40053), (711, 28561), (1027, 19773), (1521, 13351), (2197, 9243), (3081, 6591)]