20117919

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1693}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 28540512

約数和(自身を除く): 8422593

約数列:

[1, 3, 17, 51, 233, 699, 1693, 3961, 5079, 11883, 28781, 86343, 394469, 1183407, 6705973, 20117919]

約数ペア:

[(1, 20117919), (3, 6705973), (17, 1183407), (51, 394469), (233, 86343), (699, 28781), (1693, 11883), (3961, 5079)]