20522853

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 32658912

約数和(自身を除く): 12136059

約数列:

[1, 3, 9, 13, 39, 103, 117, 131, 169, 309, 393, 507, 927, 1179, 1339, 1521, 1703, 4017, 5109, 12051, 13493, 15327, 17407, 22139, 40479, 52221, 66417, 121437, 156663, 175409, 199251, 526227, 1578681, 2280317, 6840951, 20522853]

約数ペア:

[(1, 20522853), (3, 6840951), (9, 2280317), (13, 1578681), (39, 526227), (103, 199251), (117, 175409), (131, 156663), (169, 121437), (309, 66417), (393, 52221), (507, 40479), (927, 22139), (1179, 17407), (1339, 15327), (1521, 13493), (1703, 12051), (4017, 5109)]