20858054

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18859}}^1$

素因数の和:18947

約数の個数: 16

約数和(自身を含む): 36211200

約数和(自身を除く): 15353146

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 18859, 37718, 132013, 264026, 1489861, 2979722, 10429027, 20858054]

約数ペア:

[(1, 20858054), (2, 10429027), (7, 2979722), (14, 1489861), (79, 264026), (158, 132013), (553, 37718), (1106, 18859)]