20842029

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19793}}^1$

素因数の和:19818

約数の個数: 20

約数和(自身を含む): 33531036

約数和(自身を除く): 12689007

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19793, 59379, 178137, 257309, 534411, 771927, 1603233, 2315781, 6947343, 20842029]

約数ペア:

[(1, 20842029), (3, 6947343), (9, 2315781), (13, 1603233), (27, 771927), (39, 534411), (81, 257309), (117, 178137), (351, 59379), (1053, 19793)]