20972106

素因数分解:

$2^1\times 3^2\times {\mathrm{677}}^1\times {\mathrm{1721}}^1$

素因数の和:2406

約数の個数: 24

約数和(自身を含む): 45533124

約数和(自身を除く): 24561018

約数列:

[1, 2, 3, 6, 9, 18, 677, 1354, 1721, 2031, 3442, 4062, 5163, 6093, 10326, 12186, 15489, 30978, 1165117, 2330234, 3495351, 6990702, 10486053, 20972106]

約数ペア:

[(1, 20972106), (2, 10486053), (3, 6990702), (6, 3495351), (9, 2330234), (18, 1165117), (677, 30978), (1354, 15489), (1721, 12186), (2031, 10326), (3442, 6093), (4062, 5163)]