20469580

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5303}}^1$

素因数の和:5505

約数の個数: 24

約数和(自身を含む): 43216992

約数和(自身を除く): 22747412

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5303, 10606, 21212, 26515, 53030, 106060, 1023479, 2046958, 4093916, 5117395, 10234790, 20469580]

約数ペア:

[(1, 20469580), (2, 10234790), (4, 5117395), (5, 4093916), (10, 2046958), (20, 1023479), (193, 106060), (386, 53030), (772, 26515), (965, 21212), (1930, 10606), (3860, 5303)]