20172590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1091}}^1$

素因数の和:1184

約数の個数: 24

約数和(自身を含む): 37208808

約数和(自身を除く): 17036218

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1091, 1849, 2182, 3698, 5455, 9245, 10910, 18490, 46913, 93826, 234565, 469130, 2017259, 4034518, 10086295, 20172590]

約数ペア:

[(1, 20172590), (2, 10086295), (5, 4034518), (10, 2017259), (43, 469130), (86, 234565), (215, 93826), (430, 46913), (1091, 18490), (1849, 10910), (2182, 9245), (3698, 5455)]