20179107

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13267}}^1$

素因数の和:13299

約数の個数: 18

約数和(自身を含む): 31564572

約数和(自身を除く): 11385465

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13267, 39801, 119403, 172471, 517413, 1552239, 2242123, 6726369, 20179107]

約数ペア:

[(1, 20179107), (3, 6726369), (9, 2242123), (13, 1552239), (39, 517413), (117, 172471), (169, 119403), (507, 39801), (1521, 13267)]