20186439

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73943}}^1$

素因数の和:73966

約数の個数: 16

約数和(自身を含む): 33126912

約数和(自身を除く): 12940473

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 73943, 221829, 517601, 961259, 1552803, 2883777, 6728813, 20186439]

約数ペア:

[(1, 20186439), (3, 6728813), (7, 2883777), (13, 1552803), (21, 961259), (39, 517601), (91, 221829), (273, 73943)]