20648889333

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44986687}}^1$

素因数の和:44986713

約数の個数: 16

約数和(自身を含む): 32390415360

約数和(自身を除く): 11741526027

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44986687, 134960061, 404880183, 764773679, 1214640549, 2294321037, 6882963111, 20648889333]

約数ペア:

[(1, 20648889333), (3, 6882963111), (9, 2294321037), (17, 1214640549), (27, 764773679), (51, 404880183), (153, 134960061), (459, 44986687)]