20784911616

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:698

約数の個数: 432

約数和(自身を含む): 71618555008

約数和(自身を除く): 50833643392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 61, 63, 64, 72, 74, 84, 96, 111, 112, 122, 126, 128, 144, 148, 168, 183, 192, 222, 224, 244, 252, 256, 259, 288, 296, 333, 336, 366, 384, 427, 444, 448, 488, 504, 518, 549, 571, 576, 592, 666, 672, 732, 768, 777, 854, 888, 896, 976, 1008, 1036, 1098, 1142, 1152, 1184, 1281, 1332, 1344, 1464, 1554, 1708, 1713, 1776, 1792, 1952, 2016, 2072, 2196, 2257, 2284, 2304, 2331, 2368, 2562, 2664, 2688, 2928, 3108, 3416, 3426, 3552, 3843, 3904, 3997, 4032, 4144, 4392, 4514, 4568, 4662, 4736, 5124, 5139, 5328, 5376, 5856, 6216, 6771, 6832, 6852, 7104, 7686, 7808, 7994, 8064, 8288, 8784, 9028, 9136, 9324, 9472, 10248, 10278, 10656, 11712, 11991, 12432, 13542, 13664, 13704, 14208, 15372, 15616, 15799, 15988, 16128, 16576, 17568, 18056, 18272, 18648, 20313, 20496, 20556, 21127, 21312, 23424, 23982, 24864, 27084, 27328, 27408, 28416, 30744, 31598, 31976, 33152, 34831, 35136, 35973, 36112, 36544, 37296, 40626, 40992, 41112, 42254, 42624, 46848, 47397, 47964, 49728, 54168, 54656, 54816, 61488, 63196, 63381, 63952, 66304, 69662, 70272, 71946, 72224, 73088, 74592, 81252, 81984, 82224, 84508, 85248, 94794, 95928, 99456, 104493, 108336, 109312, 109632, 122976, 126392, 126762, 127904, 139324, 140544, 142191, 143892, 144448, 146176, 147889, 149184, 162504, 163968, 164448, 169016, 189588, 190143, 191856, 198912, 208986, 216672, 219264, 243817, 245952, 252784, 253524, 255808, 278648, 284382, 287784, 288896, 295778, 298368, 313479, 325008, 327936, 328896, 338032, 379176, 380286, 383712, 417972, 433344, 438528, 443667, 487634, 491904, 505568, 507048, 511616, 557296, 568764, 575568, 577792, 591556, 596736, 626958, 650016, 657792, 676064, 731451, 758352, 760572, 767424, 835944, 866688, 887334, 975268, 983808, 1011136, 1014096, 1023232, 1114592, 1137528, 1151136, 1183112, 1253916, 1288747, 1300032, 1315584, 1331001, 1352128, 1462902, 1516704, 1521144, 1534848, 1671888, 1733376, 1774668, 1950536, 2022272, 2028192, 2194353, 2229184, 2275056, 2302272, 2366224, 2507832, 2577494, 2600064, 2662002, 2704256, 2925804, 3033408, 3042288, 3069696, 3343776, 3549336, 3866241, 3901072, 4044544, 4056384, 4388706, 4458368, 4550112, 4604544, 4732448, 5015664, 5154988, 5200128, 5324004, 5408512, 5851608, 6066816, 6084576, 6687552, 7098672, 7732482, 7802144, 8112768, 8777412, 8916736, 9021229, 9100224, 9209088, 9464896, 10031328, 10309976, 10648008, 11598723, 11703216, 12133632, 12169152, 13375104, 14197344, 15464964, 15604288, 16225536, 17554824, 18042458, 18200448, 18929792, 20062656, 20619952, 21296016, 23197446, 23406432, 24338304, 26750208, 27063687, 28394688, 30929928, 31208576, 35109648, 36084916, 36400896, 37859584, 40125312, 41239904, 42592032, 46394892, 46812864, 48676608, 54127374, 56789376, 61859856, 62417152, 70219296, 72169832, 80250624, 81191061, 82479808, 85184064, 92789784, 93625728, 108254748, 113578752, 123719712, 140438592, 144339664, 162382122, 164959616, 170368128, 185579568, 187251456, 216509496, 247439424, 280877184, 288679328, 324764244, 329919232, 340736256, 371159136, 433018992, 494878848, 561754368, 577358656, 649528488, 742318272, 866037984, 989757696, 1154717312, 1299056976, 1484636544, 1732075968, 2309434624, 2598113952, 2969273088, 3464151936, 5196227904, 6928303872, 10392455808, 20784911616]

約数ペア:

[(1, 20784911616), (2, 10392455808), (3, 6928303872), (4, 5196227904), (6, 3464151936), (7, 2969273088), (8, 2598113952), (9, 2309434624), (12, 1732075968), (14, 1484636544), (16, 1299056976), (18, 1154717312), (21, 989757696), (24, 866037984), (28, 742318272), (32, 649528488), (36, 577358656), (37, 561754368), (42, 494878848), (48, 433018992), (56, 371159136), (61, 340736256), (63, 329919232), (64, 324764244), (72, 288679328), (74, 280877184), (84, 247439424), (96, 216509496), (111, 187251456), (112, 185579568), (122, 170368128), (126, 164959616), (128, 162382122), (144, 144339664), (148, 140438592), (168, 123719712), (183, 113578752), (192, 108254748), (222, 93625728), (224, 92789784), (244, 85184064), (252, 82479808), (256, 81191061), (259, 80250624), (288, 72169832), (296, 70219296), (333, 62417152), (336, 61859856), (366, 56789376), (384, 54127374), (427, 48676608), (444, 46812864), (448, 46394892), (488, 42592032), (504, 41239904), (518, 40125312), (549, 37859584), (571, 36400896), (576, 36084916), (592, 35109648), (666, 31208576), (672, 30929928), (732, 28394688), (768, 27063687), (777, 26750208), (854, 24338304), (888, 23406432), (896, 23197446), (976, 21296016), (1008, 20619952), (1036, 20062656), (1098, 18929792), (1142, 18200448), (1152, 18042458), (1184, 17554824), (1281, 16225536), (1332, 15604288), (1344, 15464964), (1464, 14197344), (1554, 13375104), (1708, 12169152), (1713, 12133632), (1776, 11703216), (1792, 11598723), (1952, 10648008), (2016, 10309976), (2072, 10031328), (2196, 9464896), (2257, 9209088), (2284, 9100224), (2304, 9021229), (2331, 8916736), (2368, 8777412), (2562, 8112768), (2664, 7802144), (2688, 7732482), (2928, 7098672), (3108, 6687552), (3416, 6084576), (3426, 6066816), (3552, 5851608), (3843, 5408512), (3904, 5324004), (3997, 5200128), (4032, 5154988), (4144, 5015664), (4392, 4732448), (4514, 4604544), (4568, 4550112), (4662, 4458368), (4736, 4388706), (5124, 4056384), (5139, 4044544), (5328, 3901072), (5376, 3866241), (5856, 3549336), (6216, 3343776), (6771, 3069696), (6832, 3042288), (6852, 3033408), (7104, 2925804), (7686, 2704256), (7808, 2662002), (7994, 2600064), (8064, 2577494), (8288, 2507832), (8784, 2366224), (9028, 2302272), (9136, 2275056), (9324, 2229184), (9472, 2194353), (10248, 2028192), (10278, 2022272), (10656, 1950536), (11712, 1774668), (11991, 1733376), (12432, 1671888), (13542, 1534848), (13664, 1521144), (13704, 1516704), (14208, 1462902), (15372, 1352128), (15616, 1331001), (15799, 1315584), (15988, 1300032), (16128, 1288747), (16576, 1253916), (17568, 1183112), (18056, 1151136), (18272, 1137528), (18648, 1114592), (20313, 1023232), (20496, 1014096), (20556, 1011136), (21127, 983808), (21312, 975268), (23424, 887334), (23982, 866688), (24864, 835944), (27084, 767424), (27328, 760572), (27408, 758352), (28416, 731451), (30744, 676064), (31598, 657792), (31976, 650016), (33152, 626958), (34831, 596736), (35136, 591556), (35973, 577792), (36112, 575568), (36544, 568764), (37296, 557296), (40626, 511616), (40992, 507048), (41112, 505568), (42254, 491904), (42624, 487634), (46848, 443667), (47397, 438528), (47964, 433344), (49728, 417972), (54168, 383712), (54656, 380286), (54816, 379176), (61488, 338032), (63196, 328896), (63381, 327936), (63952, 325008), (66304, 313479), (69662, 298368), (70272, 295778), (71946, 288896), (72224, 287784), (73088, 284382), (74592, 278648), (81252, 255808), (81984, 253524), (82224, 252784), (84508, 245952), (85248, 243817), (94794, 219264), (95928, 216672), (99456, 208986), (104493, 198912), (108336, 191856), (109312, 190143), (109632, 189588), (122976, 169016), (126392, 164448), (126762, 163968), (127904, 162504), (139324, 149184), (140544, 147889), (142191, 146176), (143892, 144448)]