2016994820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1276579}}^1$

素因数の和:1276667

約数の個数: 24

約数和(自身を含む): 4289308800

約数和(自身を除く): 2272313980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1276579, 2553158, 5106316, 6382895, 12765790, 25531580, 100849741, 201699482, 403398964, 504248705, 1008497410, 2016994820]

約数ペア:

[(1, 2016994820), (2, 1008497410), (4, 504248705), (5, 403398964), (10, 201699482), (20, 100849741), (79, 25531580), (158, 12765790), (316, 6382895), (395, 5106316), (790, 2553158), (1580, 1276579)]