20136987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 31631600

約数和(自身を除く): 11494613

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 1579, 4251, 4737, 12753, 14211, 20527, 61581, 172111, 184743, 516333, 1548999, 2237443, 6712329, 20136987]

約数ペア:

[(1, 20136987), (3, 6712329), (9, 2237443), (13, 1548999), (39, 516333), (109, 184743), (117, 172111), (327, 61581), (981, 20527), (1417, 14211), (1579, 12753), (4251, 4737)]