20761533

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2909}}^1$

素因数の和:2989

約数の個数: 24

約数和(自身を含む): 32836440

約数和(自身を除く): 12074907

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 2909, 7137, 8727, 26181, 37817, 113451, 177449, 340353, 532347, 1597041, 2306837, 6920511, 20761533]

約数ペア:

[(1, 20761533), (3, 6920511), (9, 2306837), (13, 1597041), (39, 532347), (61, 340353), (117, 177449), (183, 113451), (549, 37817), (793, 26181), (2379, 8727), (2909, 7137)]