16682920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2161}}^1$

素因数の和:2365

約数の個数: 32

約数和(自身を含む): 37748520

約数和(自身を除く): 21065600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2161, 3860, 4322, 7720, 8644, 10805, 17288, 21610, 43220, 86440, 417073, 834146, 1668292, 2085365, 3336584, 4170730, 8341460, 16682920]

約数ペア:

[(1, 16682920), (2, 8341460), (4, 4170730), (5, 3336584), (8, 2085365), (10, 1668292), (20, 834146), (40, 417073), (193, 86440), (386, 43220), (772, 21610), (965, 17288), (1544, 10805), (1930, 8644), (2161, 7720), (3860, 4322)]