20790946

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1698

約数の個数: 24

約数和(自身を含む): 34947612

約数和(自身を除く): 14156666

約数列:

[1, 2, 11, 22, 53, 106, 121, 242, 583, 1166, 1621, 3242, 6413, 12826, 17831, 35662, 85913, 171826, 196141, 392282, 945043, 1890086, 10395473, 20790946]

約数ペア:

[(1, 20790946), (2, 10395473), (11, 1890086), (22, 945043), (53, 392282), (106, 196141), (121, 171826), (242, 85913), (583, 35662), (1166, 17831), (1621, 12826), (3242, 6413)]