20803486

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21991}}^1$

素因数の和:22047

約数の個数: 16

約数和(自身を含む): 34835328

約数和(自身を除く): 14031842

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21991, 43982, 241901, 483802, 945613, 1891226, 10401743, 20803486]

約数ペア:

[(1, 20803486), (2, 10401743), (11, 1891226), (22, 945613), (43, 483802), (86, 241901), (473, 43982), (946, 21991)]