20466117

素因数分解:

$3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1993}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 34009664

約数和(自身を除く): 13543547

約数列:

[1, 3, 7, 9, 21, 63, 163, 489, 1141, 1467, 1993, 3423, 5979, 10269, 13951, 17937, 41853, 125559, 324859, 974577, 2274013, 2923731, 6822039, 20466117]

約数ペア:

[(1, 20466117), (3, 6822039), (7, 2923731), (9, 2274013), (21, 974577), (63, 324859), (163, 125559), (489, 41853), (1141, 17937), (1467, 13951), (1993, 10269), (3423, 5979)]