20627739

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1499}}^1$

素因数の和:1655

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 12132261

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1499, 1529, 4497, 4587, 13491, 13761, 16489, 49467, 148401, 208361, 625083, 1875249, 2291971, 6875913, 20627739]

約数ペア:

[(1, 20627739), (3, 6875913), (9, 2291971), (11, 1875249), (33, 625083), (99, 208361), (139, 148401), (417, 49467), (1251, 16489), (1499, 13761), (1529, 13491), (4497, 4587)]