20175875824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107897}}^1$

素因数の和:107978

約数の個数: 80

約数和(自身を含む): 44954622720

約数和(自身を除く): 24778746896

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 31, 52, 58, 62, 104, 116, 124, 208, 232, 248, 377, 403, 464, 496, 754, 806, 899, 1508, 1612, 1798, 3016, 3224, 3596, 6032, 6448, 7192, 11687, 14384, 23374, 46748, 93496, 107897, 186992, 215794, 431588, 863176, 1402661, 1726352, 2805322, 3129013, 3344807, 5610644, 6258026, 6689614, 11221288, 12516052, 13379228, 22442576, 25032104, 26758456, 40677169, 43482491, 50064208, 53516912, 81354338, 86964982, 96999403, 162708676, 173929964, 193998806, 325417352, 347859928, 387997612, 650834704, 695719856, 775995224, 1260992239, 1551990448, 2521984478, 5043968956, 10087937912, 20175875824]

約数ペア:

[(1, 20175875824), (2, 10087937912), (4, 5043968956), (8, 2521984478), (13, 1551990448), (16, 1260992239), (26, 775995224), (29, 695719856), (31, 650834704), (52, 387997612), (58, 347859928), (62, 325417352), (104, 193998806), (116, 173929964), (124, 162708676), (208, 96999403), (232, 86964982), (248, 81354338), (377, 53516912), (403, 50064208), (464, 43482491), (496, 40677169), (754, 26758456), (806, 25032104), (899, 22442576), (1508, 13379228), (1612, 12516052), (1798, 11221288), (3016, 6689614), (3224, 6258026), (3596, 5610644), (6032, 3344807), (6448, 3129013), (7192, 2805322), (11687, 1726352), (14384, 1402661), (23374, 863176), (46748, 431588), (93496, 215794), (107897, 186992)]