20925243

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5657}}^1$

素因数の和:5803

約数の個数: 16

約数和(自身を含む): 31232160

約数和(自身を除く): 10306917

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5657, 16971, 50913, 152739, 775009, 2325027, 6975081, 20925243]

約数ペア:

[(1, 20925243), (3, 6975081), (9, 2325027), (27, 775009), (137, 152739), (411, 50913), (1233, 16971), (3699, 5657)]