20512085646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1601}}^1\times {\mathrm{1979}}^1$

素因数の和:3681

約数の個数: 64

約数和(自身を含む): 44762699520

約数和(自身を除く): 24250613874

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 83, 166, 249, 498, 1079, 1601, 1979, 2158, 3202, 3237, 3958, 4803, 5937, 6474, 9606, 11874, 20813, 25727, 41626, 51454, 62439, 77181, 124878, 132883, 154362, 164257, 265766, 328514, 398649, 492771, 797298, 985542, 1727479, 2135341, 3168379, 3454958, 4270682, 5182437, 6336758, 6406023, 9505137, 10364874, 12812046, 19010274, 41188927, 82377854, 123566781, 247133562, 262975457, 525950914, 788926371, 1577852742, 3418680941, 6837361882, 10256042823, 20512085646]

約数ペア:

[(1, 20512085646), (2, 10256042823), (3, 6837361882), (6, 3418680941), (13, 1577852742), (26, 788926371), (39, 525950914), (78, 262975457), (83, 247133562), (166, 123566781), (249, 82377854), (498, 41188927), (1079, 19010274), (1601, 12812046), (1979, 10364874), (2158, 9505137), (3202, 6406023), (3237, 6336758), (3958, 5182437), (4803, 4270682), (5937, 3454958), (6474, 3168379), (9606, 2135341), (11874, 1727479), (20813, 985542), (25727, 797298), (41626, 492771), (51454, 398649), (62439, 328514), (77181, 265766), (124878, 164257), (132883, 154362)]