20639223

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1279}}^1$

素因数の和:1459

約数の個数: 24

約数和(自身を含む): 32747520

約数和(自身を除く): 12108297

約数列:

[1, 3, 9, 11, 33, 99, 163, 489, 1279, 1467, 1793, 3837, 5379, 11511, 14069, 16137, 42207, 126621, 208477, 625431, 1876293, 2293247, 6879741, 20639223]

約数ペア:

[(1, 20639223), (3, 6879741), (9, 2293247), (11, 1876293), (33, 625431), (99, 208477), (163, 126621), (489, 42207), (1279, 16137), (1467, 14069), (1793, 11511), (3837, 5379)]