20534822

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 40087872

約数和(自身を除く): 19553050

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 154, 301, 443, 473, 539, 602, 886, 946, 1078, 2107, 3101, 3311, 4214, 4873, 6202, 6622, 9746, 19049, 21707, 23177, 34111, 38098, 43414, 46354, 68222, 133343, 209539, 238777, 266686, 419078, 477554, 933401, 1466773, 1866802, 2933546, 10267411, 20534822]

約数ペア:

[(1, 20534822), (2, 10267411), (7, 2933546), (11, 1866802), (14, 1466773), (22, 933401), (43, 477554), (49, 419078), (77, 266686), (86, 238777), (98, 209539), (154, 133343), (301, 68222), (443, 46354), (473, 43414), (539, 38098), (602, 34111), (886, 23177), (946, 21707), (1078, 19049), (2107, 9746), (3101, 6622), (3311, 6202), (4214, 4873)]