20123432570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{548771}}^1$

素因数の和:548990

約数の個数: 32

約数和(自身を含む): 38326236480

約数和(自身を除く): 18202803910

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 193, 386, 965, 1930, 3667, 7334, 18335, 36670, 548771, 1097542, 2743855, 5487710, 10426649, 20853298, 52133245, 104266490, 105912803, 211825606, 529564015, 1059128030, 2012343257, 4024686514, 10061716285, 20123432570]

約数ペア:

[(1, 20123432570), (2, 10061716285), (5, 4024686514), (10, 2012343257), (19, 1059128030), (38, 529564015), (95, 211825606), (190, 105912803), (193, 104266490), (386, 52133245), (965, 20853298), (1930, 10426649), (3667, 5487710), (7334, 2743855), (18335, 1097542), (36670, 548771)]