20795703

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 29803392

約数和(自身を除く): 9007689

約数列:

[1, 3, 23, 43, 69, 129, 163, 489, 989, 1849, 2967, 3749, 5547, 7009, 11247, 21027, 42527, 127581, 161207, 301387, 483621, 904161, 6931901, 20795703]

約数ペア:

[(1, 20795703), (3, 6931901), (23, 904161), (43, 483621), (69, 301387), (129, 161207), (163, 127581), (489, 42527), (989, 21027), (1849, 11247), (2967, 7009), (3749, 5547)]