20160795681

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13254961}}^1$

素因数の和:13254993

約数の個数: 18

約数和(自身を含む): 31533554598

約数和(自身を除く): 11372758917

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13254961, 39764883, 119294649, 172314493, 516943479, 1550830437, 2240088409, 6720265227, 20160795681]

約数ペア:

[(1, 20160795681), (3, 6720265227), (9, 2240088409), (13, 1550830437), (39, 516943479), (117, 172314493), (169, 119294649), (507, 39764883), (1521, 13254961)]