20839726

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3217}}^1$

素因数の和:3339

約数の個数: 16

約数和(自身を含む): 32437440

約数和(自身を除く): 11597714

約数列:

[1, 2, 41, 79, 82, 158, 3217, 3239, 6434, 6478, 131897, 254143, 263794, 508286, 10419863, 20839726]

約数ペア:

[(1, 20839726), (2, 10419863), (41, 508286), (79, 263794), (82, 254143), (158, 131897), (3217, 6478), (3239, 6434)]