20988896553

素因数分解:

$3^3\times {\mathrm{18503}}^1\times {\mathrm{42013}}^1$

素因数の和:60525

約数の個数: 16

約数和(自身を含む): 31097082240

約数和(自身を除く): 10108185687

約数列:

[1, 3, 9, 27, 18503, 42013, 55509, 126039, 166527, 378117, 499581, 1134351, 777366539, 2332099617, 6996298851, 20988896553]

約数ペア:

[(1, 20988896553), (3, 6996298851), (9, 2332099617), (27, 777366539), (18503, 1134351), (42013, 499581), (55509, 378117), (126039, 166527)]