20285577

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13337}}^1$

素因数の和:13369

約数の個数: 18

約数和(自身を含む): 31731102

約数和(自身を除く): 11445525

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13337, 40011, 120033, 173381, 520143, 1560429, 2253953, 6761859, 20285577]

約数ペア:

[(1, 20285577), (3, 6761859), (9, 2253953), (13, 1560429), (39, 520143), (117, 173381), (169, 120033), (507, 40011), (1521, 13337)]