19960587

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2969}}^1$

素因数の和:3064

約数の個数: 20

約数和(自身を含む): 30187080

約数和(自身を除く): 10226493

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2969, 6723, 8907, 26721, 80163, 240489, 246427, 739281, 2217843, 6653529, 19960587]

約数ペア:

[(1, 19960587), (3, 6653529), (9, 2217843), (27, 739281), (81, 246427), (83, 240489), (249, 80163), (747, 26721), (2241, 8907), (2969, 6723)]