20804563171

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5045977}}^1$

素因数の和:5046034

約数の個数: 16

約数和(自身を含む): 25835407360

約数和(自身を除く): 5030844189

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5045977, 35321839, 95873563, 156425287, 671114941, 1094977009, 2972080453, 20804563171]

約数ペア:

[(1, 20804563171), (7, 2972080453), (19, 1094977009), (31, 671114941), (133, 156425287), (217, 95873563), (589, 35321839), (4123, 5045977)]