20809909152

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 288

約数和(自身を含む): 63780151680

約数和(自身を除く): 42970242528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 71, 72, 93, 96, 108, 124, 142, 144, 186, 213, 216, 248, 279, 284, 288, 353, 372, 426, 432, 496, 558, 568, 639, 706, 744, 837, 852, 864, 961, 992, 1059, 1116, 1136, 1278, 1412, 1488, 1674, 1704, 1917, 1922, 2118, 2201, 2232, 2272, 2556, 2824, 2883, 2976, 3177, 3348, 3408, 3834, 3844, 4236, 4402, 4464, 5112, 5648, 5766, 6354, 6603, 6696, 6816, 7668, 7688, 8472, 8649, 8804, 8928, 9531, 10224, 10943, 11296, 11532, 12708, 13206, 13392, 15336, 15376, 16944, 17298, 17608, 19062, 19809, 20448, 21886, 23064, 25063, 25416, 25947, 26412, 26784, 30672, 30752, 32829, 33888, 34596, 35216, 38124, 39618, 43772, 46128, 50126, 50832, 51894, 52824, 59427, 61344, 65658, 68231, 69192, 70432, 75189, 76248, 79236, 87544, 92256, 98487, 100252, 101664, 103788, 105648, 118854, 131316, 136462, 138384, 150378, 152496, 158472, 175088, 196974, 200504, 204693, 207576, 211296, 225567, 237708, 262632, 272924, 276768, 295461, 300756, 304992, 316944, 339233, 350176, 393948, 401008, 409386, 415152, 451134, 475416, 525264, 545848, 590922, 601512, 614079, 633888, 676701, 678466, 776953, 787896, 802016, 818772, 830304, 902268, 950832, 1017699, 1050528, 1091696, 1181844, 1203024, 1228158, 1353402, 1356932, 1553906, 1575792, 1637544, 1804536, 1842237, 1901664, 2035398, 2183392, 2330859, 2363688, 2406048, 2456316, 2706804, 2713864, 3053097, 3107812, 3151584, 3275088, 3609072, 3684474, 4070796, 4661718, 4727376, 4912632, 5413608, 5427728, 6106194, 6215624, 6550176, 6992577, 7218144, 7368948, 8141592, 9159291, 9323436, 9454752, 9825264, 10827216, 10855456, 12212388, 12431248, 13985154, 14737896, 16283184, 18318582, 18646872, 19650528, 20977731, 21654432, 24085543, 24424776, 24862496, 27970308, 29475792, 32566368, 36637164, 37293744, 41955462, 48171086, 48849552, 55940616, 58951584, 72256629, 73274328, 74587488, 83910924, 96342172, 97699104, 111881232, 144513258, 146548656, 167821848, 192684344, 216769887, 223762464, 289026516, 293097312, 335643696, 385368688, 433539774, 578053032, 650309661, 671287392, 770737376, 867079548, 1156106064, 1300619322, 1734159096, 2312212128, 2601238644, 3468318192, 5202477288, 6936636384, 10404954576, 20809909152]

約数ペア:

[(1, 20809909152), (2, 10404954576), (3, 6936636384), (4, 5202477288), (6, 3468318192), (8, 2601238644), (9, 2312212128), (12, 1734159096), (16, 1300619322), (18, 1156106064), (24, 867079548), (27, 770737376), (31, 671287392), (32, 650309661), (36, 578053032), (48, 433539774), (54, 385368688), (62, 335643696), (71, 293097312), (72, 289026516), (93, 223762464), (96, 216769887), (108, 192684344), (124, 167821848), (142, 146548656), (144, 144513258), (186, 111881232), (213, 97699104), (216, 96342172), (248, 83910924), (279, 74587488), (284, 73274328), (288, 72256629), (353, 58951584), (372, 55940616), (426, 48849552), (432, 48171086), (496, 41955462), (558, 37293744), (568, 36637164), (639, 32566368), (706, 29475792), (744, 27970308), (837, 24862496), (852, 24424776), (864, 24085543), (961, 21654432), (992, 20977731), (1059, 19650528), (1116, 18646872), (1136, 18318582), (1278, 16283184), (1412, 14737896), (1488, 13985154), (1674, 12431248), (1704, 12212388), (1917, 10855456), (1922, 10827216), (2118, 9825264), (2201, 9454752), (2232, 9323436), (2272, 9159291), (2556, 8141592), (2824, 7368948), (2883, 7218144), (2976, 6992577), (3177, 6550176), (3348, 6215624), (3408, 6106194), (3834, 5427728), (3844, 5413608), (4236, 4912632), (4402, 4727376), (4464, 4661718), (5112, 4070796), (5648, 3684474), (5766, 3609072), (6354, 3275088), (6603, 3151584), (6696, 3107812), (6816, 3053097), (7668, 2713864), (7688, 2706804), (8472, 2456316), (8649, 2406048), (8804, 2363688), (8928, 2330859), (9531, 2183392), (10224, 2035398), (10943, 1901664), (11296, 1842237), (11532, 1804536), (12708, 1637544), (13206, 1575792), (13392, 1553906), (15336, 1356932), (15376, 1353402), (16944, 1228158), (17298, 1203024), (17608, 1181844), (19062, 1091696), (19809, 1050528), (20448, 1017699), (21886, 950832), (23064, 902268), (25063, 830304), (25416, 818772), (25947, 802016), (26412, 787896), (26784, 776953), (30672, 678466), (30752, 676701), (32829, 633888), (33888, 614079), (34596, 601512), (35216, 590922), (38124, 545848), (39618, 525264), (43772, 475416), (46128, 451134), (50126, 415152), (50832, 409386), (51894, 401008), (52824, 393948), (59427, 350176), (61344, 339233), (65658, 316944), (68231, 304992), (69192, 300756), (70432, 295461), (75189, 276768), (76248, 272924), (79236, 262632), (87544, 237708), (92256, 225567), (98487, 211296), (100252, 207576), (101664, 204693), (103788, 200504), (105648, 196974), (118854, 175088), (131316, 158472), (136462, 152496), (138384, 150378)]