20213721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1069}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 32048640

約数和(自身を除く): 11834919

約数列:

[1, 3, 9, 11, 33, 99, 191, 573, 1069, 1719, 2101, 3207, 6303, 9621, 11759, 18909, 35277, 105831, 204179, 612537, 1837611, 2245969, 6737907, 20213721]

約数ペア:

[(1, 20213721), (3, 6737907), (9, 2245969), (11, 1837611), (33, 612537), (99, 204179), (191, 105831), (573, 35277), (1069, 18909), (1719, 11759), (2101, 9621), (3207, 6303)]