20391590856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8329}}^1$

素因数の和:8436

約数の個数: 256

約数和(自身を含む): 67173120000

約数和(自身を除く): 46781529144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 59, 76, 78, 84, 91, 104, 114, 118, 133, 152, 156, 168, 177, 182, 228, 236, 247, 266, 273, 312, 354, 364, 399, 413, 456, 472, 494, 532, 546, 708, 728, 741, 767, 798, 826, 988, 1064, 1092, 1121, 1239, 1416, 1482, 1534, 1596, 1652, 1729, 1976, 2184, 2242, 2301, 2478, 2964, 3068, 3192, 3304, 3363, 3458, 4484, 4602, 4956, 5187, 5369, 5928, 6136, 6726, 6916, 7847, 8329, 8968, 9204, 9912, 10374, 10738, 13452, 13832, 14573, 15694, 16107, 16658, 18408, 20748, 21476, 23541, 24987, 26904, 29146, 31388, 32214, 33316, 41496, 42952, 43719, 47082, 49974, 58292, 58303, 62776, 64428, 66632, 87438, 94164, 99948, 102011, 108277, 116584, 116606, 128856, 158251, 174876, 174909, 188328, 199896, 204022, 216554, 233212, 306033, 316502, 324831, 349752, 349818, 408044, 433108, 466424, 474753, 491411, 612066, 633004, 649662, 699636, 757939, 816088, 866216, 949506, 982822, 1107757, 1224132, 1266008, 1299324, 1399272, 1474233, 1515878, 1899012, 1965644, 2057263, 2215514, 2273817, 2448264, 2598648, 2948466, 3031756, 3323271, 3439877, 3798024, 3931288, 4114526, 4431028, 4547634, 5896932, 6063512, 6171789, 6388343, 6646542, 6879754, 8229052, 8862056, 9095268, 9336809, 10319631, 11793864, 12343578, 12776686, 13293084, 13759508, 14400841, 16458104, 18190536, 18673618, 19165029, 20639262, 24687156, 25553372, 26586168, 27519016, 28010427, 28801682, 37347236, 38330058, 41278524, 43202523, 44718401, 49374312, 51106744, 56020854, 57603364, 65357663, 74694472, 76660116, 82557048, 86405046, 89436802, 112041708, 115206728, 121378517, 130715326, 134155203, 153320232, 172810092, 178873604, 196072989, 224083416, 242757034, 261430652, 268310406, 345620184, 357747208, 364135551, 392145978, 485514068, 522861304, 536620812, 728271102, 784291956, 849649619, 971028136, 1073241624, 1456542204, 1568583912, 1699299238, 2548948857, 2913084408, 3398598476, 5097897714, 6797196952, 10195795428, 20391590856]

約数ペア:

[(1, 20391590856), (2, 10195795428), (3, 6797196952), (4, 5097897714), (6, 3398598476), (7, 2913084408), (8, 2548948857), (12, 1699299238), (13, 1568583912), (14, 1456542204), (19, 1073241624), (21, 971028136), (24, 849649619), (26, 784291956), (28, 728271102), (38, 536620812), (39, 522861304), (42, 485514068), (52, 392145978), (56, 364135551), (57, 357747208), (59, 345620184), (76, 268310406), (78, 261430652), (84, 242757034), (91, 224083416), (104, 196072989), (114, 178873604), (118, 172810092), (133, 153320232), (152, 134155203), (156, 130715326), (168, 121378517), (177, 115206728), (182, 112041708), (228, 89436802), (236, 86405046), (247, 82557048), (266, 76660116), (273, 74694472), (312, 65357663), (354, 57603364), (364, 56020854), (399, 51106744), (413, 49374312), (456, 44718401), (472, 43202523), (494, 41278524), (532, 38330058), (546, 37347236), (708, 28801682), (728, 28010427), (741, 27519016), (767, 26586168), (798, 25553372), (826, 24687156), (988, 20639262), (1064, 19165029), (1092, 18673618), (1121, 18190536), (1239, 16458104), (1416, 14400841), (1482, 13759508), (1534, 13293084), (1596, 12776686), (1652, 12343578), (1729, 11793864), (1976, 10319631), (2184, 9336809), (2242, 9095268), (2301, 8862056), (2478, 8229052), (2964, 6879754), (3068, 6646542), (3192, 6388343), (3304, 6171789), (3363, 6063512), (3458, 5896932), (4484, 4547634), (4602, 4431028), (4956, 4114526), (5187, 3931288), (5369, 3798024), (5928, 3439877), (6136, 3323271), (6726, 3031756), (6916, 2948466), (7847, 2598648), (8329, 2448264), (8968, 2273817), (9204, 2215514), (9912, 2057263), (10374, 1965644), (10738, 1899012), (13452, 1515878), (13832, 1474233), (14573, 1399272), (15694, 1299324), (16107, 1266008), (16658, 1224132), (18408, 1107757), (20748, 982822), (21476, 949506), (23541, 866216), (24987, 816088), (26904, 757939), (29146, 699636), (31388, 649662), (32214, 633004), (33316, 612066), (41496, 491411), (42952, 474753), (43719, 466424), (47082, 433108), (49974, 408044), (58292, 349818), (58303, 349752), (62776, 324831), (64428, 316502), (66632, 306033), (87438, 233212), (94164, 216554), (99948, 204022), (102011, 199896), (108277, 188328), (116584, 174909), (116606, 174876), (128856, 158251)]