2020105155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7921981}}^1$

素因数の和:7922006

約数の個数: 16

約数和(自身を含む): 3422296224

約数和(自身を除く): 1402191069

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 7921981, 23765943, 39609905, 118829715, 134673677, 404021031, 673368385, 2020105155]

約数ペア:

[(1, 2020105155), (3, 673368385), (5, 404021031), (15, 134673677), (17, 118829715), (51, 39609905), (85, 23765943), (255, 7921981)]