20892179

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 26889408

約数和(自身を除く): 5997229

約数列:

[1, 7, 11, 49, 77, 83, 467, 539, 581, 913, 3269, 4067, 5137, 6391, 22883, 35959, 38761, 44737, 251713, 271327, 426371, 1899289, 2984597, 20892179]

約数ペア:

[(1, 20892179), (7, 2984597), (11, 1899289), (49, 426371), (77, 271327), (83, 251713), (467, 44737), (539, 38761), (581, 35959), (913, 22883), (3269, 6391), (4067, 5137)]