20966781

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1831}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 30601728

約数和(自身を除く): 9634947

約数列:

[1, 3, 11, 33, 347, 1041, 1831, 3817, 5493, 11451, 20141, 60423, 635357, 1906071, 6988927, 20966781]

約数ペア:

[(1, 20966781), (3, 6988927), (11, 1906071), (33, 635357), (347, 60423), (1041, 20141), (1831, 11451), (3817, 5493)]