20314989

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5413}}^1$

素因数の和:5561

約数の個数: 16

約数和(自身を含む): 30318400

約数和(自身を除く): 10003411

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5413, 16239, 48717, 146151, 752407, 2257221, 6771663, 20314989]

約数ペア:

[(1, 20314989), (3, 6771663), (9, 2257221), (27, 752407), (139, 146151), (417, 48717), (1251, 16239), (3753, 5413)]