20946504

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{20297}}^1$

素因数の和:20349

約数の個数: 32

約数和(自身を含む): 53586720

約数和(自身を除く): 32640216

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 20297, 40594, 60891, 81188, 121782, 162376, 243564, 487128, 872771, 1745542, 2618313, 3491084, 5236626, 6982168, 10473252, 20946504]

約数ペア:

[(1, 20946504), (2, 10473252), (3, 6982168), (4, 5236626), (6, 3491084), (8, 2618313), (12, 1745542), (24, 872771), (43, 487128), (86, 243564), (129, 162376), (172, 121782), (258, 81188), (344, 60891), (516, 40594), (1032, 20297)]