20336410

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 37839312

約数和(自身を除く): 17502902

約数列:

[1, 2, 5, 10, 41, 82, 193, 205, 257, 386, 410, 514, 965, 1285, 1930, 2570, 7913, 10537, 15826, 21074, 39565, 49601, 52685, 79130, 99202, 105370, 248005, 496010, 2033641, 4067282, 10168205, 20336410]

約数ペア:

[(1, 20336410), (2, 10168205), (5, 4067282), (10, 2033641), (41, 496010), (82, 248005), (193, 105370), (205, 99202), (257, 79130), (386, 52685), (410, 49601), (514, 39565), (965, 21074), (1285, 15826), (1930, 10537), (2570, 7913)]