20191660

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5231}}^1$

素因数の和:5433

約数の個数: 24

約数和(自身を含む): 42630336

約数和(自身を除く): 22438676

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5231, 10462, 20924, 26155, 52310, 104620, 1009583, 2019166, 4038332, 5047915, 10095830, 20191660]

約数ペア:

[(1, 20191660), (2, 10095830), (4, 5047915), (5, 4038332), (10, 2019166), (20, 1009583), (193, 104620), (386, 52310), (772, 26155), (965, 20924), (1930, 10462), (3860, 5231)]