1992020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{967}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 4228224

約数和(自身を除く): 2236204

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 967, 1030, 1934, 2060, 3868, 4835, 9670, 19340, 99601, 199202, 398404, 498005, 996010, 1992020]

約数ペア:

[(1, 1992020), (2, 996010), (4, 498005), (5, 398404), (10, 199202), (20, 99601), (103, 19340), (206, 9670), (412, 4835), (515, 3868), (967, 2060), (1030, 1934)]