20287827

素因数分解:

$3^5\times 7^1\times {\mathrm{11927}}^1$

素因数の和:11949

約数の個数: 24

約数和(自身を含む): 34734336

約数和(自身を除く): 14446509

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11927, 35781, 83489, 107343, 250467, 322029, 751401, 966087, 2254203, 2898261, 6762609, 20287827]

約数ペア:

[(1, 20287827), (3, 6762609), (7, 2898261), (9, 2254203), (21, 966087), (27, 751401), (63, 322029), (81, 250467), (189, 107343), (243, 83489), (567, 35781), (1701, 11927)]