201820879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{829}}^1$

素因数の和:1210

約数の個数: 16

約数和(自身を含む): 221895520

約数和(自身を除く): 20074641

約数列:

[1, 13, 61, 307, 793, 829, 3991, 10777, 18727, 50569, 243451, 254503, 657397, 3308539, 15524683, 201820879]

約数ペア:

[(1, 201820879), (13, 15524683), (61, 3308539), (307, 657397), (793, 254503), (829, 243451), (3991, 50569), (10777, 18727)]