20085585219

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2337

約数の個数: 96

約数和(自身を含む): 35141044224

約数和(自身を除く): 15055459005

約数列:

[1, 3, 7, 9, 21, 43, 47, 63, 73, 129, 141, 219, 301, 329, 387, 423, 511, 657, 903, 987, 1533, 2021, 2161, 2709, 2961, 3139, 3431, 4599, 6063, 6483, 9417, 10293, 14147, 15127, 18189, 19449, 21973, 24017, 28251, 30879, 42441, 45381, 65919, 72051, 92923, 101567, 127323, 136143, 147533, 157753, 197757, 216153, 278769, 304701, 442599, 473259, 650461, 710969, 836307, 914103, 1032731, 1104271, 1327797, 1419777, 1951383, 2132907, 3098193, 3312813, 4367381, 5854149, 6398721, 6783379, 7414391, 9294579, 9938439, 13102143, 20350137, 22243173, 30571667, 39306429, 47483653, 51900737, 61050411, 66729519, 91715001, 142450959, 155702211, 275145003, 318818813, 427352877, 467106633, 956456439, 2231731691, 2869369317, 6695195073, 20085585219]

約数ペア:

[(1, 20085585219), (3, 6695195073), (7, 2869369317), (9, 2231731691), (21, 956456439), (43, 467106633), (47, 427352877), (63, 318818813), (73, 275145003), (129, 155702211), (141, 142450959), (219, 91715001), (301, 66729519), (329, 61050411), (387, 51900737), (423, 47483653), (511, 39306429), (657, 30571667), (903, 22243173), (987, 20350137), (1533, 13102143), (2021, 9938439), (2161, 9294579), (2709, 7414391), (2961, 6783379), (3139, 6398721), (3431, 5854149), (4599, 4367381), (6063, 3312813), (6483, 3098193), (9417, 2132907), (10293, 1951383), (14147, 1419777), (15127, 1327797), (18189, 1104271), (19449, 1032731), (21973, 914103), (24017, 836307), (28251, 710969), (30879, 650461), (42441, 473259), (45381, 442599), (65919, 304701), (72051, 278769), (92923, 216153), (101567, 197757), (127323, 157753), (136143, 147533)]