20973985

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 25920000

約数和(自身を除く): 4946015

約数列:

[1, 5, 47, 149, 235, 599, 745, 2995, 7003, 28153, 35015, 89251, 140765, 446255, 4194797, 20973985]

約数ペア:

[(1, 20973985), (5, 4194797), (47, 446255), (149, 140765), (235, 89251), (599, 35015), (745, 28153), (2995, 7003)]