20491866

素因数分解:

$2^1\times 3^4\times {\mathrm{126493}}^1$

素因数の和:126507

約数の個数: 20

約数和(自身を含む): 45917322

約数和(自身を除く): 25425456

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 126493, 252986, 379479, 758958, 1138437, 2276874, 3415311, 6830622, 10245933, 20491866]

約数ペア:

[(1, 20491866), (2, 10245933), (3, 6830622), (6, 3415311), (9, 2276874), (18, 1138437), (27, 758958), (54, 379479), (81, 252986), (162, 126493)]