20739670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3329}}^1$

素因数の和:3432

約数の個数: 32

約数和(自身を含む): 43156800

約数和(自身を除く): 22417130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3329, 6230, 6658, 16645, 23303, 33290, 46606, 116515, 233030, 296281, 592562, 1481405, 2073967, 2962810, 4147934, 10369835, 20739670]

約数ペア:

[(1, 20739670), (2, 10369835), (5, 4147934), (7, 2962810), (10, 2073967), (14, 1481405), (35, 592562), (70, 296281), (89, 233030), (178, 116515), (445, 46606), (623, 33290), (890, 23303), (1246, 16645), (3115, 6658), (3329, 6230)]