20001605520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4271}}^1$

素因数の和:4398

約数の個数: 320

約数和(自身を含む): 71195443200

約数和(自身を除く): 51193837680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 79, 80, 95, 104, 114, 120, 130, 152, 156, 158, 190, 195, 208, 228, 237, 240, 247, 260, 285, 304, 312, 316, 380, 390, 395, 456, 474, 494, 520, 570, 624, 632, 741, 760, 780, 790, 912, 948, 988, 1027, 1040, 1140, 1185, 1235, 1264, 1482, 1501, 1520, 1560, 1580, 1896, 1976, 2054, 2280, 2370, 2470, 2964, 3002, 3081, 3120, 3160, 3705, 3792, 3952, 4108, 4271, 4503, 4560, 4740, 4940, 5135, 5928, 6004, 6162, 6320, 7410, 7505, 8216, 8542, 9006, 9480, 9880, 10270, 11856, 12008, 12324, 12813, 14820, 15010, 15405, 16432, 17084, 18012, 18960, 19513, 19760, 20540, 21355, 22515, 24016, 24648, 25626, 29640, 30020, 30810, 34168, 36024, 39026, 41080, 42710, 45030, 49296, 51252, 55523, 58539, 59280, 60040, 61620, 64065, 68336, 72048, 78052, 81149, 82160, 85420, 90060, 97565, 102504, 111046, 117078, 120080, 123240, 128130, 156104, 162298, 166569, 170840, 180120, 195130, 205008, 222092, 234156, 243447, 246480, 256260, 277615, 292695, 312208, 324596, 333138, 337409, 341680, 360240, 390260, 405745, 444184, 468312, 486894, 512520, 555230, 585390, 649192, 666276, 674818, 780520, 811490, 832845, 888368, 936624, 973788, 1012227, 1025040, 1054937, 1110460, 1170780, 1217235, 1298384, 1332552, 1349636, 1561040, 1622980, 1665690, 1687045, 1947576, 2024454, 2109874, 2220920, 2341560, 2434470, 2665104, 2699272, 3164811, 3245960, 3331380, 3374090, 3895152, 4048908, 4219748, 4386317, 4441840, 4683120, 4868940, 5061135, 5274685, 5398544, 6329622, 6410771, 6491920, 6662760, 6748180, 8097816, 8439496, 8772634, 9737880, 10122270, 10549370, 12659244, 12821542, 13158951, 13325520, 13496360, 15824055, 16195632, 16878992, 17545268, 19232313, 19475760, 20244540, 21098740, 21931585, 25318488, 25643084, 26317902, 26992720, 31648110, 32053855, 35090536, 38464626, 40489080, 42197480, 43863170, 50636976, 51286168, 52635804, 63296220, 64107710, 65794755, 70181072, 76929252, 80978160, 83340023, 84394960, 87726340, 96161565, 102572336, 105271608, 126592440, 128215420, 131589510, 153858504, 166680046, 175452680, 192323130, 210543216, 250020069, 253184880, 256430840, 263179020, 307717008, 333360092, 350905360, 384646260, 416700115, 500040138, 512861680, 526358040, 666720184, 769292520, 833400230, 1000080276, 1052716080, 1250100345, 1333440368, 1538585040, 1666800460, 2000160552, 2500200690, 3333600920, 4000321104, 5000401380, 6667201840, 10000802760, 20001605520]

約数ペア:

[(1, 20001605520), (2, 10000802760), (3, 6667201840), (4, 5000401380), (5, 4000321104), (6, 3333600920), (8, 2500200690), (10, 2000160552), (12, 1666800460), (13, 1538585040), (15, 1333440368), (16, 1250100345), (19, 1052716080), (20, 1000080276), (24, 833400230), (26, 769292520), (30, 666720184), (38, 526358040), (39, 512861680), (40, 500040138), (48, 416700115), (52, 384646260), (57, 350905360), (60, 333360092), (65, 307717008), (76, 263179020), (78, 256430840), (79, 253184880), (80, 250020069), (95, 210543216), (104, 192323130), (114, 175452680), (120, 166680046), (130, 153858504), (152, 131589510), (156, 128215420), (158, 126592440), (190, 105271608), (195, 102572336), (208, 96161565), (228, 87726340), (237, 84394960), (240, 83340023), (247, 80978160), (260, 76929252), (285, 70181072), (304, 65794755), (312, 64107710), (316, 63296220), (380, 52635804), (390, 51286168), (395, 50636976), (456, 43863170), (474, 42197480), (494, 40489080), (520, 38464626), (570, 35090536), (624, 32053855), (632, 31648110), (741, 26992720), (760, 26317902), (780, 25643084), (790, 25318488), (912, 21931585), (948, 21098740), (988, 20244540), (1027, 19475760), (1040, 19232313), (1140, 17545268), (1185, 16878992), (1235, 16195632), (1264, 15824055), (1482, 13496360), (1501, 13325520), (1520, 13158951), (1560, 12821542), (1580, 12659244), (1896, 10549370), (1976, 10122270), (2054, 9737880), (2280, 8772634), (2370, 8439496), (2470, 8097816), (2964, 6748180), (3002, 6662760), (3081, 6491920), (3120, 6410771), (3160, 6329622), (3705, 5398544), (3792, 5274685), (3952, 5061135), (4108, 4868940), (4271, 4683120), (4503, 4441840), (4560, 4386317), (4740, 4219748), (4940, 4048908), (5135, 3895152), (5928, 3374090), (6004, 3331380), (6162, 3245960), (6320, 3164811), (7410, 2699272), (7505, 2665104), (8216, 2434470), (8542, 2341560), (9006, 2220920), (9480, 2109874), (9880, 2024454), (10270, 1947576), (11856, 1687045), (12008, 1665690), (12324, 1622980), (12813, 1561040), (14820, 1349636), (15010, 1332552), (15405, 1298384), (16432, 1217235), (17084, 1170780), (18012, 1110460), (18960, 1054937), (19513, 1025040), (19760, 1012227), (20540, 973788), (21355, 936624), (22515, 888368), (24016, 832845), (24648, 811490), (25626, 780520), (29640, 674818), (30020, 666276), (30810, 649192), (34168, 585390), (36024, 555230), (39026, 512520), (41080, 486894), (42710, 468312), (45030, 444184), (49296, 405745), (51252, 390260), (55523, 360240), (58539, 341680), (59280, 337409), (60040, 333138), (61620, 324596), (64065, 312208), (68336, 292695), (72048, 277615), (78052, 256260), (81149, 246480), (82160, 243447), (85420, 234156), (90060, 222092), (97565, 205008), (102504, 195130), (111046, 180120), (117078, 170840), (120080, 166569), (123240, 162298), (128130, 156104)]