19502020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9467}}^1$

素因数の和:9579

約数の個数: 24

約数和(自身を含む): 41356224

約数和(自身を除く): 21854204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9467, 18934, 37868, 47335, 94670, 189340, 975101, 1950202, 3900404, 4875505, 9751010, 19502020]

約数ペア:

[(1, 19502020), (2, 9751010), (4, 4875505), (5, 3900404), (10, 1950202), (20, 975101), (103, 189340), (206, 94670), (412, 47335), (515, 37868), (1030, 18934), (2060, 9467)]