20686046980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24053543}}^1$

素因数の和:24053595

約数の個数: 24

約数和(自身を含む): 44450949312

約数和(自身を除く): 23764902332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 24053543, 48107086, 96214172, 120267715, 240535430, 481070860, 1034302349, 2068604698, 4137209396, 5171511745, 10343023490, 20686046980]

約数ペア:

[(1, 20686046980), (2, 10343023490), (4, 5171511745), (5, 4137209396), (10, 2068604698), (20, 1034302349), (43, 481070860), (86, 240535430), (172, 120267715), (215, 96214172), (430, 48107086), (860, 24053543)]