992020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 2102184

約数和(自身を除く): 1110164

約数列:

[1, 2, 4, 5, 10, 20, 193, 257, 386, 514, 772, 965, 1028, 1285, 1930, 2570, 3860, 5140, 49601, 99202, 198404, 248005, 496010, 992020]

約数ペア:

[(1, 992020), (2, 496010), (4, 248005), (5, 198404), (10, 99202), (20, 49601), (193, 5140), (257, 3860), (386, 2570), (514, 1930), (772, 1285), (965, 1028)]