20681013248

素因数分解:

$2^{11}\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:500

約数の個数: 192

約数和(自身を含む): 49078149120

約数和(自身を除く): 28397135872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 127, 128, 148, 224, 254, 256, 259, 296, 307, 448, 508, 512, 518, 592, 614, 889, 896, 1016, 1024, 1036, 1184, 1228, 1778, 1792, 2032, 2048, 2072, 2149, 2368, 2456, 3556, 3584, 4064, 4144, 4298, 4699, 4736, 4912, 7112, 7168, 8128, 8288, 8596, 9398, 9472, 9824, 11359, 14224, 14336, 16256, 16576, 17192, 18796, 18944, 19648, 22718, 28448, 32512, 32893, 33152, 34384, 37592, 37888, 38989, 39296, 45436, 56896, 65024, 65786, 66304, 68768, 75184, 75776, 77978, 78592, 79513, 90872, 113792, 130048, 131572, 132608, 137536, 150368, 155956, 157184, 159026, 181744, 227584, 260096, 263144, 265216, 272923, 275072, 300736, 311912, 314368, 318052, 363488, 455168, 526288, 530432, 545846, 550144, 601472, 623824, 628736, 636104, 726976, 910336, 1052576, 1091692, 1100288, 1202944, 1247648, 1272208, 1442593, 1453952, 1820672, 2105152, 2183384, 2200576, 2405888, 2495296, 2544416, 2885186, 2907904, 4210304, 4366768, 4401152, 4811776, 4990592, 5088832, 5770372, 5815808, 8420608, 8733536, 9623552, 9981184, 10098151, 10177664, 11540744, 11631616, 16841216, 17467072, 19962368, 20196302, 20355328, 23081488, 23263232, 33682432, 34934144, 39924736, 40392604, 40710656, 46162976, 67364864, 69868288, 79849472, 80785208, 81421312, 92325952, 139736576, 161570416, 162842624, 184651904, 279473152, 323140832, 369303808, 558946304, 646281664, 738607616, 1292563328, 1477215232, 2585126656, 2954430464, 5170253312, 10340506624, 20681013248]

約数ペア:

[(1, 20681013248), (2, 10340506624), (4, 5170253312), (7, 2954430464), (8, 2585126656), (14, 1477215232), (16, 1292563328), (28, 738607616), (32, 646281664), (37, 558946304), (56, 369303808), (64, 323140832), (74, 279473152), (112, 184651904), (127, 162842624), (128, 161570416), (148, 139736576), (224, 92325952), (254, 81421312), (256, 80785208), (259, 79849472), (296, 69868288), (307, 67364864), (448, 46162976), (508, 40710656), (512, 40392604), (518, 39924736), (592, 34934144), (614, 33682432), (889, 23263232), (896, 23081488), (1016, 20355328), (1024, 20196302), (1036, 19962368), (1184, 17467072), (1228, 16841216), (1778, 11631616), (1792, 11540744), (2032, 10177664), (2048, 10098151), (2072, 9981184), (2149, 9623552), (2368, 8733536), (2456, 8420608), (3556, 5815808), (3584, 5770372), (4064, 5088832), (4144, 4990592), (4298, 4811776), (4699, 4401152), (4736, 4366768), (4912, 4210304), (7112, 2907904), (7168, 2885186), (8128, 2544416), (8288, 2495296), (8596, 2405888), (9398, 2200576), (9472, 2183384), (9824, 2105152), (11359, 1820672), (14224, 1453952), (14336, 1442593), (16256, 1272208), (16576, 1247648), (17192, 1202944), (18796, 1100288), (18944, 1091692), (19648, 1052576), (22718, 910336), (28448, 726976), (32512, 636104), (32893, 628736), (33152, 623824), (34384, 601472), (37592, 550144), (37888, 545846), (38989, 530432), (39296, 526288), (45436, 455168), (56896, 363488), (65024, 318052), (65786, 314368), (66304, 311912), (68768, 300736), (75184, 275072), (75776, 272923), (77978, 265216), (78592, 263144), (79513, 260096), (90872, 227584), (113792, 181744), (130048, 159026), (131572, 157184), (132608, 155956), (137536, 150368)]