20643183

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1913}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 32844240

約数和(自身を除く): 12201057

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 1913, 3597, 5739, 10791, 17217, 21043, 63129, 189387, 208517, 625551, 1876653, 2293687, 6881061, 20643183]

約数ペア:

[(1, 20643183), (3, 6881061), (9, 2293687), (11, 1876653), (33, 625551), (99, 208517), (109, 189387), (327, 63129), (981, 21043), (1199, 17217), (1913, 10791), (3597, 5739)]