20641587

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1201}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 29251872

約数和(自身を除く): 8610285

約数列:

[1, 3, 17, 51, 337, 1011, 1201, 3603, 5729, 17187, 20417, 61251, 404737, 1214211, 6880529, 20641587]

約数ペア:

[(1, 20641587), (3, 6880529), (17, 1214211), (51, 404737), (337, 61251), (1011, 20417), (1201, 17187), (3603, 5729)]