20168045072

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:581

約数の個数: 160

約数和(自身を含む): 46637015040

約数和(自身を除く): 26468969968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 89, 112, 172, 178, 211, 223, 301, 344, 356, 422, 446, 602, 623, 688, 712, 844, 892, 1204, 1246, 1424, 1477, 1561, 1688, 1784, 2408, 2492, 2954, 3122, 3376, 3568, 3827, 4816, 4984, 5908, 6244, 7654, 9073, 9589, 9968, 11816, 12488, 15308, 18146, 18779, 19178, 19847, 23632, 24976, 26789, 30616, 36292, 37558, 38356, 39694, 47053, 53578, 61232, 63511, 67123, 72584, 75116, 76712, 79388, 94106, 107156, 127022, 131453, 134246, 138929, 145168, 150232, 153424, 158776, 188212, 214312, 254044, 262906, 268492, 277858, 300464, 317552, 329371, 376424, 428624, 508088, 525812, 536984, 555716, 658742, 752848, 807497, 853421, 1016176, 1051624, 1073968, 1111432, 1317484, 1614994, 1706842, 2023279, 2103248, 2222864, 2634968, 3229988, 3413684, 4046558, 4187717, 5269936, 5652479, 5973947, 6459976, 6827368, 8093116, 8375434, 11304958, 11947894, 12919952, 13654736, 14162953, 16186232, 16750868, 22609916, 23895788, 28325906, 29314019, 32372464, 33501736, 45219832, 47791576, 56651812, 58628038, 67003472, 90439664, 95583152, 113303624, 117256076, 180071831, 226607248, 234512152, 360143662, 469024304, 720287324, 1260502817, 1440574648, 2521005634, 2881149296, 5042011268, 10084022536, 20168045072]

約数ペア:

[(1, 20168045072), (2, 10084022536), (4, 5042011268), (7, 2881149296), (8, 2521005634), (14, 1440574648), (16, 1260502817), (28, 720287324), (43, 469024304), (56, 360143662), (86, 234512152), (89, 226607248), (112, 180071831), (172, 117256076), (178, 113303624), (211, 95583152), (223, 90439664), (301, 67003472), (344, 58628038), (356, 56651812), (422, 47791576), (446, 45219832), (602, 33501736), (623, 32372464), (688, 29314019), (712, 28325906), (844, 23895788), (892, 22609916), (1204, 16750868), (1246, 16186232), (1424, 14162953), (1477, 13654736), (1561, 12919952), (1688, 11947894), (1784, 11304958), (2408, 8375434), (2492, 8093116), (2954, 6827368), (3122, 6459976), (3376, 5973947), (3568, 5652479), (3827, 5269936), (4816, 4187717), (4984, 4046558), (5908, 3413684), (6244, 3229988), (7654, 2634968), (9073, 2222864), (9589, 2103248), (9968, 2023279), (11816, 1706842), (12488, 1614994), (15308, 1317484), (18146, 1111432), (18779, 1073968), (19178, 1051624), (19847, 1016176), (23632, 853421), (24976, 807497), (26789, 752848), (30616, 658742), (36292, 555716), (37558, 536984), (38356, 525812), (39694, 508088), (47053, 428624), (53578, 376424), (61232, 329371), (63511, 317552), (67123, 300464), (72584, 277858), (75116, 268492), (76712, 262906), (79388, 254044), (94106, 214312), (107156, 188212), (127022, 158776), (131453, 153424), (134246, 150232), (138929, 145168)]