20139550

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2087}}^1$

素因数の和:2292

約数の個数: 24

約数和(自身を含む): 37671696

約数和(自身を除く): 17532146

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 2087, 4174, 4825, 9650, 10435, 20870, 52175, 104350, 402791, 805582, 2013955, 4027910, 10069775, 20139550]

約数ペア:

[(1, 20139550), (2, 10069775), (5, 4027910), (10, 2013955), (25, 805582), (50, 402791), (193, 104350), (386, 52175), (965, 20870), (1930, 10435), (2087, 9650), (4174, 4825)]