20281272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4519}}^1$

素因数の和:4556

約数の個数: 64

約数和(自身を含む): 58579200

約数和(自身を除く): 38297928

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4519, 9038, 13557, 18076, 27114, 36152, 49709, 54228, 76823, 99418, 108456, 149127, 153646, 198836, 230469, 298254, 307292, 397672, 460938, 596508, 614584, 845053, 921876, 1193016, 1690106, 1843752, 2535159, 3380212, 5070318, 6760424, 10140636, 20281272]

約数ペア:

[(1, 20281272), (2, 10140636), (3, 6760424), (4, 5070318), (6, 3380212), (8, 2535159), (11, 1843752), (12, 1690106), (17, 1193016), (22, 921876), (24, 845053), (33, 614584), (34, 596508), (44, 460938), (51, 397672), (66, 307292), (68, 298254), (88, 230469), (102, 198836), (132, 153646), (136, 149127), (187, 108456), (204, 99418), (264, 76823), (374, 54228), (408, 49709), (561, 36152), (748, 27114), (1122, 18076), (1496, 13557), (2244, 9038), (4488, 4519)]