20292155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4397}}^1$

素因数の和:4486

約数の個数: 16

約数和(自身を含む): 26599104

約数和(自身を除く): 6306949

約数列:

[1, 5, 13, 65, 71, 355, 923, 4397, 4615, 21985, 57161, 285805, 312187, 1560935, 4058431, 20292155]

約数ペア:

[(1, 20292155), (5, 4058431), (13, 1560935), (65, 312187), (71, 285805), (355, 57161), (923, 21985), (4397, 4615)]