20808630837

素因数分解:

$3^4\times {\mathrm{499}}^1\times {\mathrm{514823}}^1$

素因数の和:515334

約数の個数: 20

約数和(自身を含む): 31146852000

約数和(自身を除く): 10338221163

約数列:

[1, 3, 9, 27, 81, 499, 1497, 4491, 13473, 40419, 514823, 1544469, 4633407, 13900221, 41700663, 256896677, 770690031, 2312070093, 6936210279, 20808630837]

約数ペア:

[(1, 20808630837), (3, 6936210279), (9, 2312070093), (27, 770690031), (81, 256896677), (499, 41700663), (1497, 13900221), (4491, 4633407), (13473, 1544469), (40419, 514823)]