20939030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3361}}^1$

素因数の和:3464

約数の個数: 32

約数和(自身を含む): 43571520

約数和(自身を除く): 22632490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3361, 6230, 6722, 16805, 23527, 33610, 47054, 117635, 235270, 299129, 598258, 1495645, 2093903, 2991290, 4187806, 10469515, 20939030]

約数ペア:

[(1, 20939030), (2, 10469515), (5, 4187806), (7, 2991290), (10, 2093903), (14, 1495645), (35, 598258), (70, 299129), (89, 235270), (178, 117635), (445, 47054), (623, 33610), (890, 23527), (1246, 16805), (3115, 6722), (3361, 6230)]