20691183

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1129}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 28476000

約数和(自身を除く): 7784817

約数列:

[1, 3, 41, 123, 149, 447, 1129, 3387, 6109, 18327, 46289, 138867, 168221, 504663, 6897061, 20691183]

約数ペア:

[(1, 20691183), (3, 6897061), (41, 504663), (123, 168221), (149, 138867), (447, 46289), (1129, 18327), (3387, 6109)]