20795878416

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2189

約数の個数: 160

約数和(自身を含む): 56654373888

約数和(自身を除く): 35858495472

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 71, 74, 83, 111, 142, 148, 166, 213, 222, 249, 284, 296, 332, 426, 444, 498, 568, 592, 664, 852, 888, 996, 1136, 1328, 1704, 1776, 1987, 1992, 2627, 3071, 3408, 3974, 3984, 5254, 5893, 5961, 6142, 7881, 7948, 9213, 10508, 11786, 11922, 12284, 15762, 15896, 17679, 18426, 21016, 23572, 23844, 24568, 31524, 31792, 35358, 36852, 42032, 47144, 47688, 49136, 63048, 70716, 73519, 73704, 94288, 95376, 126096, 141077, 141432, 147038, 147408, 164921, 218041, 220557, 282154, 282864, 294076, 329842, 423231, 436082, 441114, 494763, 564308, 588152, 654123, 659684, 846462, 872164, 882228, 989526, 1128616, 1176304, 1308246, 1319368, 1692924, 1744328, 1764456, 1979052, 2257232, 2616492, 2638736, 3385848, 3488656, 3528912, 3958104, 5219849, 5232984, 6102077, 6771696, 7916208, 10439698, 10465968, 11709391, 12204154, 15659547, 18306231, 20879396, 23418782, 24408308, 31319094, 35128173, 36612462, 41758792, 46837564, 48816616, 62638188, 70256346, 73224924, 83517584, 93675128, 97633232, 125276376, 140512692, 146449848, 187350256, 250552752, 281025384, 292899696, 433247467, 562050768, 866494934, 1299742401, 1732989868, 2599484802, 3465979736, 5198969604, 6931959472, 10397939208, 20795878416]

約数ペア:

[(1, 20795878416), (2, 10397939208), (3, 6931959472), (4, 5198969604), (6, 3465979736), (8, 2599484802), (12, 1732989868), (16, 1299742401), (24, 866494934), (37, 562050768), (48, 433247467), (71, 292899696), (74, 281025384), (83, 250552752), (111, 187350256), (142, 146449848), (148, 140512692), (166, 125276376), (213, 97633232), (222, 93675128), (249, 83517584), (284, 73224924), (296, 70256346), (332, 62638188), (426, 48816616), (444, 46837564), (498, 41758792), (568, 36612462), (592, 35128173), (664, 31319094), (852, 24408308), (888, 23418782), (996, 20879396), (1136, 18306231), (1328, 15659547), (1704, 12204154), (1776, 11709391), (1987, 10465968), (1992, 10439698), (2627, 7916208), (3071, 6771696), (3408, 6102077), (3974, 5232984), (3984, 5219849), (5254, 3958104), (5893, 3528912), (5961, 3488656), (6142, 3385848), (7881, 2638736), (7948, 2616492), (9213, 2257232), (10508, 1979052), (11786, 1764456), (11922, 1744328), (12284, 1692924), (15762, 1319368), (15896, 1308246), (17679, 1176304), (18426, 1128616), (21016, 989526), (23572, 882228), (23844, 872164), (24568, 846462), (31524, 659684), (31792, 654123), (35358, 588152), (36852, 564308), (42032, 494763), (47144, 441114), (47688, 436082), (49136, 423231), (63048, 329842), (70716, 294076), (73519, 282864), (73704, 282154), (94288, 220557), (95376, 218041), (126096, 164921), (141077, 147408), (141432, 147038)]