20792781

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 31921344

約数和(自身を除く): 11128563

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 2087, 3321, 6261, 9963, 18783, 56349, 85567, 169047, 256701, 507141, 770103, 2310309, 6930927, 20792781]

約数ペア:

[(1, 20792781), (3, 6930927), (9, 2310309), (27, 770103), (41, 507141), (81, 256701), (123, 169047), (243, 85567), (369, 56349), (1107, 18783), (2087, 9963), (3321, 6261)]