20664913152

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2657}}^1$

素因数の和:2749

約数の個数: 288

約数和(自身を含む): 63891515520

約数和(自身を除く): 43226602368

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 41, 48, 52, 57, 64, 76, 78, 82, 96, 104, 114, 123, 128, 152, 156, 164, 192, 208, 228, 246, 247, 256, 304, 312, 328, 384, 416, 456, 492, 494, 533, 608, 624, 656, 741, 768, 779, 832, 912, 984, 988, 1066, 1216, 1248, 1312, 1482, 1558, 1599, 1664, 1824, 1968, 1976, 2132, 2337, 2432, 2496, 2624, 2657, 2964, 3116, 3198, 3328, 3648, 3936, 3952, 4264, 4674, 4864, 4992, 5248, 5314, 5928, 6232, 6396, 7296, 7872, 7904, 7971, 8528, 9348, 9984, 10127, 10496, 10628, 11856, 12464, 12792, 14592, 15744, 15808, 15942, 17056, 18696, 20254, 21256, 23712, 24928, 25584, 30381, 31488, 31616, 31884, 34112, 34541, 37392, 40508, 42512, 47424, 49856, 50483, 51168, 60762, 63232, 63768, 68224, 69082, 74784, 81016, 85024, 94848, 99712, 100966, 102336, 103623, 108937, 121524, 127536, 136448, 138164, 149568, 151449, 162032, 170048, 189696, 199424, 201932, 204672, 207246, 217874, 243048, 255072, 276328, 299136, 302898, 324064, 326811, 340096, 403864, 409344, 414492, 435748, 486096, 510144, 552656, 598272, 605796, 648128, 653622, 656279, 680192, 807728, 828984, 871496, 972192, 1020288, 1105312, 1211592, 1296256, 1307244, 1312558, 1416181, 1615456, 1657968, 1742992, 1944384, 1968837, 2040576, 2069803, 2210624, 2423184, 2592512, 2614488, 2625116, 2832362, 3230912, 3315936, 3485984, 3888768, 3937674, 4139606, 4248543, 4421248, 4846368, 5228976, 5250232, 5664724, 6209409, 6461824, 6631872, 6971968, 7777536, 7875348, 8279212, 8497086, 8842496, 9692736, 10457952, 10500464, 11329448, 12418818, 12923648, 13263744, 13943936, 15750696, 16558424, 16994172, 19385472, 20915904, 21000928, 22658896, 24837636, 26527488, 26907439, 27887872, 31501392, 33116848, 33988344, 38770944, 41831808, 42001856, 45317792, 49675272, 53814878, 63002784, 66233696, 67976688, 80722317, 83663616, 84003712, 90635584, 99350544, 107629756, 126005568, 132467392, 135953376, 161444634, 168007424, 181271168, 198701088, 215259512, 252011136, 264934784, 271906752, 322889268, 362542336, 397402176, 430519024, 504022272, 529869568, 543813504, 645778536, 794804352, 861038048, 1087627008, 1291557072, 1589608704, 1722076096, 2583114144, 3444152192, 5166228288, 6888304384, 10332456576, 20664913152]

約数ペア:

[(1, 20664913152), (2, 10332456576), (3, 6888304384), (4, 5166228288), (6, 3444152192), (8, 2583114144), (12, 1722076096), (13, 1589608704), (16, 1291557072), (19, 1087627008), (24, 861038048), (26, 794804352), (32, 645778536), (38, 543813504), (39, 529869568), (41, 504022272), (48, 430519024), (52, 397402176), (57, 362542336), (64, 322889268), (76, 271906752), (78, 264934784), (82, 252011136), (96, 215259512), (104, 198701088), (114, 181271168), (123, 168007424), (128, 161444634), (152, 135953376), (156, 132467392), (164, 126005568), (192, 107629756), (208, 99350544), (228, 90635584), (246, 84003712), (247, 83663616), (256, 80722317), (304, 67976688), (312, 66233696), (328, 63002784), (384, 53814878), (416, 49675272), (456, 45317792), (492, 42001856), (494, 41831808), (533, 38770944), (608, 33988344), (624, 33116848), (656, 31501392), (741, 27887872), (768, 26907439), (779, 26527488), (832, 24837636), (912, 22658896), (984, 21000928), (988, 20915904), (1066, 19385472), (1216, 16994172), (1248, 16558424), (1312, 15750696), (1482, 13943936), (1558, 13263744), (1599, 12923648), (1664, 12418818), (1824, 11329448), (1968, 10500464), (1976, 10457952), (2132, 9692736), (2337, 8842496), (2432, 8497086), (2496, 8279212), (2624, 7875348), (2657, 7777536), (2964, 6971968), (3116, 6631872), (3198, 6461824), (3328, 6209409), (3648, 5664724), (3936, 5250232), (3952, 5228976), (4264, 4846368), (4674, 4421248), (4864, 4248543), (4992, 4139606), (5248, 3937674), (5314, 3888768), (5928, 3485984), (6232, 3315936), (6396, 3230912), (7296, 2832362), (7872, 2625116), (7904, 2614488), (7971, 2592512), (8528, 2423184), (9348, 2210624), (9984, 2069803), (10127, 2040576), (10496, 1968837), (10628, 1944384), (11856, 1742992), (12464, 1657968), (12792, 1615456), (14592, 1416181), (15744, 1312558), (15808, 1307244), (15942, 1296256), (17056, 1211592), (18696, 1105312), (20254, 1020288), (21256, 972192), (23712, 871496), (24928, 828984), (25584, 807728), (30381, 680192), (31488, 656279), (31616, 653622), (31884, 648128), (34112, 605796), (34541, 598272), (37392, 552656), (40508, 510144), (42512, 486096), (47424, 435748), (49856, 414492), (50483, 409344), (51168, 403864), (60762, 340096), (63232, 326811), (63768, 324064), (68224, 302898), (69082, 299136), (74784, 276328), (81016, 255072), (85024, 243048), (94848, 217874), (99712, 207246), (100966, 204672), (102336, 201932), (103623, 199424), (108937, 189696), (121524, 170048), (127536, 162032), (136448, 151449), (138164, 149568)]