20771564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{1033}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 39780048

約数和(自身を除く): 19008484

約数列:

[1, 2, 4, 11, 22, 44, 457, 914, 1033, 1828, 2066, 4132, 5027, 10054, 11363, 20108, 22726, 45452, 472081, 944162, 1888324, 5192891, 10385782, 20771564]

約数ペア:

[(1, 20771564), (2, 10385782), (4, 5192891), (11, 1888324), (22, 944162), (44, 472081), (457, 45452), (914, 22726), (1033, 20108), (1828, 11363), (2066, 10054), (4132, 5027)]