20657237568

素因数分解:

$2^6\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{397}}^1$

素因数の和:841

約数の個数: 224

約数和(自身を含む): 60791067648

約数和(自身を除く): 40133830080

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 64, 66, 71, 88, 96, 132, 142, 176, 192, 213, 264, 284, 347, 352, 397, 426, 528, 568, 694, 704, 781, 794, 852, 1041, 1056, 1136, 1191, 1388, 1562, 1588, 1704, 2082, 2112, 2272, 2343, 2382, 2776, 3124, 3176, 3408, 3817, 4164, 4367, 4544, 4686, 4764, 5552, 6248, 6352, 6816, 7634, 8328, 8734, 9372, 9528, 11104, 11451, 12496, 12704, 13101, 13632, 15268, 16656, 17468, 18744, 19056, 22208, 22902, 24637, 24992, 25408, 26202, 28187, 30536, 33312, 34936, 37488, 38112, 45804, 49274, 49984, 52404, 56374, 61072, 66624, 69872, 73911, 74976, 76224, 84561, 91608, 98548, 104808, 112748, 122144, 137759, 139744, 147822, 149952, 169122, 183216, 197096, 209616, 225496, 244288, 271007, 275518, 279488, 295644, 310057, 338244, 366432, 394192, 413277, 419232, 450992, 542014, 551036, 591288, 620114, 676488, 732864, 788384, 813021, 826554, 838464, 901984, 930171, 1084028, 1102072, 1182576, 1240228, 1352976, 1515349, 1576768, 1626042, 1653108, 1803968, 1860342, 2168056, 2204144, 2365152, 2480456, 2705952, 3030698, 3252084, 3306216, 3720684, 4336112, 4408288, 4546047, 4730304, 4960912, 5411904, 6061396, 6504168, 6612432, 7441368, 8672224, 8816576, 9092094, 9780889, 9921824, 12122792, 13008336, 13224864, 14882736, 17344448, 18184188, 19561778, 19843648, 24245584, 26016672, 26449728, 29342667, 29765472, 36368376, 39123556, 48491168, 52033344, 58685334, 59530944, 72736752, 78247112, 96982336, 107589779, 117370668, 145473504, 156494224, 215179558, 234741336, 290947008, 312988448, 322769337, 430359116, 469482672, 625976896, 645538674, 860718232, 938965344, 1291077348, 1721436464, 1877930688, 2582154696, 3442872928, 5164309392, 6885745856, 10328618784, 20657237568]

約数ペア:

[(1, 20657237568), (2, 10328618784), (3, 6885745856), (4, 5164309392), (6, 3442872928), (8, 2582154696), (11, 1877930688), (12, 1721436464), (16, 1291077348), (22, 938965344), (24, 860718232), (32, 645538674), (33, 625976896), (44, 469482672), (48, 430359116), (64, 322769337), (66, 312988448), (71, 290947008), (88, 234741336), (96, 215179558), (132, 156494224), (142, 145473504), (176, 117370668), (192, 107589779), (213, 96982336), (264, 78247112), (284, 72736752), (347, 59530944), (352, 58685334), (397, 52033344), (426, 48491168), (528, 39123556), (568, 36368376), (694, 29765472), (704, 29342667), (781, 26449728), (794, 26016672), (852, 24245584), (1041, 19843648), (1056, 19561778), (1136, 18184188), (1191, 17344448), (1388, 14882736), (1562, 13224864), (1588, 13008336), (1704, 12122792), (2082, 9921824), (2112, 9780889), (2272, 9092094), (2343, 8816576), (2382, 8672224), (2776, 7441368), (3124, 6612432), (3176, 6504168), (3408, 6061396), (3817, 5411904), (4164, 4960912), (4367, 4730304), (4544, 4546047), (4686, 4408288), (4764, 4336112), (5552, 3720684), (6248, 3306216), (6352, 3252084), (6816, 3030698), (7634, 2705952), (8328, 2480456), (8734, 2365152), (9372, 2204144), (9528, 2168056), (11104, 1860342), (11451, 1803968), (12496, 1653108), (12704, 1626042), (13101, 1576768), (13632, 1515349), (15268, 1352976), (16656, 1240228), (17468, 1182576), (18744, 1102072), (19056, 1084028), (22208, 930171), (22902, 901984), (24637, 838464), (24992, 826554), (25408, 813021), (26202, 788384), (28187, 732864), (30536, 676488), (33312, 620114), (34936, 591288), (37488, 551036), (38112, 542014), (45804, 450992), (49274, 419232), (49984, 413277), (52404, 394192), (56374, 366432), (61072, 338244), (66624, 310057), (69872, 295644), (73911, 279488), (74976, 275518), (76224, 271007), (84561, 244288), (91608, 225496), (98548, 209616), (104808, 197096), (112748, 183216), (122144, 169122), (137759, 149952), (139744, 147822)]