20691324

素因数分解:

$2^2\times 3^2\times {\mathrm{359}}^1\times {\mathrm{1601}}^1$

素因数の和:1970

約数の個数: 36

約数和(自身を含む): 52481520

約数和(自身を除く): 31790196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 359, 718, 1077, 1436, 1601, 2154, 3202, 3231, 4308, 4803, 6404, 6462, 9606, 12924, 14409, 19212, 28818, 57636, 574759, 1149518, 1724277, 2299036, 3448554, 5172831, 6897108, 10345662, 20691324]

約数ペア:

[(1, 20691324), (2, 10345662), (3, 6897108), (4, 5172831), (6, 3448554), (9, 2299036), (12, 1724277), (18, 1149518), (36, 574759), (359, 57636), (718, 28818), (1077, 19212), (1436, 14409), (1601, 12924), (2154, 9606), (3202, 6462), (3231, 6404), (4308, 4803)]