20333335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27869184

約数和(自身を除く): 7535849

約数列:

[1, 5, 11, 41, 55, 71, 127, 205, 355, 451, 635, 781, 1397, 2255, 2911, 3905, 5207, 6985, 9017, 14555, 26035, 32021, 45085, 57277, 99187, 160105, 286385, 369697, 495935, 1848485, 4066667, 20333335]

約数ペア:

[(1, 20333335), (5, 4066667), (11, 1848485), (41, 495935), (55, 369697), (71, 286385), (127, 160105), (205, 99187), (355, 57277), (451, 45085), (635, 32021), (781, 26035), (1397, 14555), (2255, 9017), (2911, 6985), (3905, 5207)]