20639014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1459}}^1$

素因数の和:2115

約数の個数: 16

約数和(自身を含む): 33848640

約数和(自身を除く): 13209626

約数列:

[1, 2, 11, 22, 643, 1286, 1459, 2918, 7073, 14146, 16049, 32098, 938137, 1876274, 10319507, 20639014]

約数ペア:

[(1, 20639014), (2, 10319507), (11, 1876274), (22, 938137), (643, 32098), (1286, 16049), (1459, 14146), (2918, 7073)]