20185287556

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{24691}}^1$

素因数の和:24849

約数の個数: 72

約数和(自身を含む): 42482289696

約数和(自身を除く): 22297002140

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 97, 98, 172, 194, 196, 301, 388, 602, 679, 1204, 1358, 2107, 2716, 4171, 4214, 4753, 8342, 8428, 9506, 16684, 19012, 24691, 29197, 49382, 58394, 98764, 116788, 172837, 204379, 345674, 408758, 691348, 817516, 1061713, 1209859, 2123426, 2395027, 2419718, 4246852, 4790054, 4839436, 7431991, 9580108, 14863982, 16765189, 29727964, 33530378, 52023937, 67060756, 102986161, 104047874, 117356323, 205972322, 208095748, 234712646, 411944644, 469425292, 720903127, 1441806254, 2883612508, 5046321889, 10092643778, 20185287556]

約数ペア:

[(1, 20185287556), (2, 10092643778), (4, 5046321889), (7, 2883612508), (14, 1441806254), (28, 720903127), (43, 469425292), (49, 411944644), (86, 234712646), (97, 208095748), (98, 205972322), (172, 117356323), (194, 104047874), (196, 102986161), (301, 67060756), (388, 52023937), (602, 33530378), (679, 29727964), (1204, 16765189), (1358, 14863982), (2107, 9580108), (2716, 7431991), (4171, 4839436), (4214, 4790054), (4753, 4246852), (8342, 2419718), (8428, 2395027), (9506, 2123426), (16684, 1209859), (19012, 1061713), (24691, 817516), (29197, 691348), (49382, 408758), (58394, 345674), (98764, 204379), (116788, 172837)]