20961366

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{47857}}^1$

素因数の和:47935

約数の個数: 16

約数和(自身を含む): 42497904

約数和(自身を除く): 21536538

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 47857, 95714, 143571, 287142, 3493561, 6987122, 10480683, 20961366]

約数ペア:

[(1, 20961366), (2, 10480683), (3, 6987122), (6, 3493561), (73, 287142), (146, 143571), (219, 95714), (438, 47857)]