20532020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9967}}^1$

素因数の和:10079

約数の個数: 24

約数和(自身を含む): 43540224

約数和(自身を除く): 23008204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9967, 19934, 39868, 49835, 99670, 199340, 1026601, 2053202, 4106404, 5133005, 10266010, 20532020]

約数ペア:

[(1, 20532020), (2, 10266010), (4, 5133005), (5, 4106404), (10, 2053202), (20, 1026601), (103, 199340), (206, 99670), (412, 49835), (515, 39868), (1030, 19934), (2060, 9967)]