20173756792

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1\times {\mathrm{17327}}^1$

素因数の和:18580

約数の個数: 64

約数和(自身を含む): 45812459520

約数和(自身を除く): 25638702728

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 1223, 2446, 4892, 8561, 9784, 17122, 17327, 20791, 34244, 34654, 41582, 68488, 69308, 83164, 121289, 138616, 145537, 166328, 242578, 291074, 294559, 485156, 582148, 589118, 970312, 1164296, 1178236, 2061913, 2356472, 4123826, 8247652, 16495304, 21190921, 42381842, 84763684, 148336447, 169527368, 296672894, 360245657, 593345788, 720491314, 1186691576, 1440982628, 2521719599, 2881965256, 5043439198, 10086878396, 20173756792]

約数ペア:

[(1, 20173756792), (2, 10086878396), (4, 5043439198), (7, 2881965256), (8, 2521719599), (14, 1440982628), (17, 1186691576), (28, 720491314), (34, 593345788), (56, 360245657), (68, 296672894), (119, 169527368), (136, 148336447), (238, 84763684), (476, 42381842), (952, 21190921), (1223, 16495304), (2446, 8247652), (4892, 4123826), (8561, 2356472), (9784, 2061913), (17122, 1178236), (17327, 1164296), (20791, 970312), (34244, 589118), (34654, 582148), (41582, 485156), (68488, 294559), (69308, 291074), (83164, 242578), (121289, 166328), (138616, 145537)]