20381244

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130649}}^1$

素因数の和:130669

約数の個数: 24

約数和(自身を含む): 51214800

約数和(自身を除く): 30833556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130649, 261298, 391947, 522596, 783894, 1567788, 1698437, 3396874, 5095311, 6793748, 10190622, 20381244]

約数ペア:

[(1, 20381244), (2, 10190622), (3, 6793748), (4, 5095311), (6, 3396874), (12, 1698437), (13, 1567788), (26, 783894), (39, 522596), (52, 391947), (78, 261298), (156, 130649)]