20866261

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 24033024

約数和(自身を除く): 3166763

約数列:

[1, 13, 37, 47, 71, 169, 481, 611, 923, 1739, 2627, 3337, 6253, 7943, 11999, 22607, 34151, 43381, 123469, 293891, 443963, 563953, 1605097, 20866261]

約数ペア:

[(1, 20866261), (13, 1605097), (37, 563953), (47, 443963), (71, 293891), (169, 123469), (481, 43381), (611, 34151), (923, 22607), (1739, 11999), (2627, 7943), (3337, 6253)]