20653085440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1$

素因数の和:527

約数の個数: 288

約数和(自身を含む): 55711918080

約数和(自身を除く): 35058832640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 127, 128, 130, 145, 160, 208, 232, 254, 256, 260, 290, 320, 337, 377, 416, 464, 508, 520, 580, 635, 640, 674, 754, 832, 928, 1016, 1040, 1160, 1270, 1280, 1348, 1508, 1651, 1664, 1685, 1856, 1885, 2032, 2080, 2320, 2540, 2696, 3016, 3302, 3328, 3370, 3683, 3712, 3770, 4064, 4160, 4381, 4640, 5080, 5392, 6032, 6604, 6740, 7366, 7424, 7540, 8128, 8255, 8320, 8762, 9280, 9773, 10160, 10784, 12064, 13208, 13480, 14732, 15080, 16256, 16510, 16640, 17524, 18415, 18560, 19546, 20320, 21568, 21905, 24128, 26416, 26960, 29464, 30160, 32512, 33020, 35048, 36830, 37120, 39092, 40640, 42799, 43136, 43810, 47879, 48256, 48865, 52832, 53920, 58928, 60320, 66040, 70096, 73660, 78184, 81280, 85598, 86272, 87620, 95758, 96512, 97730, 105664, 107840, 117856, 120640, 127049, 132080, 140192, 147320, 156368, 162560, 171196, 175240, 191516, 195460, 211328, 213995, 215680, 235712, 239395, 241280, 254098, 264160, 280384, 294640, 312736, 342392, 350480, 383032, 390920, 422656, 427990, 431360, 471424, 478790, 482560, 508196, 528320, 556387, 560768, 589280, 625472, 635245, 684784, 700960, 766064, 781840, 855980, 942848, 957580, 1016392, 1056640, 1112774, 1121536, 1178560, 1241171, 1250944, 1270490, 1369568, 1401920, 1532128, 1563680, 1711960, 1915160, 2032784, 2113280, 2225548, 2357120, 2482342, 2501888, 2540980, 2739136, 2781935, 2803840, 3064256, 3127360, 3423920, 3830320, 4065568, 4451096, 4714240, 4964684, 5081960, 5478272, 5563870, 5607680, 6128512, 6205855, 6254720, 6847840, 7660640, 8131136, 8902192, 9929368, 10163920, 10956544, 11127740, 12257024, 12411710, 12509440, 13695680, 15321280, 16135223, 16262272, 17804384, 19858736, 20327840, 22255480, 24823420, 27391360, 30642560, 32270446, 32524544, 35608768, 39717472, 40655680, 44510960, 49646840, 54782720, 61285120, 64540892, 71217536, 79434944, 80676115, 81311360, 89021920, 99293680, 129081784, 142435072, 158869888, 161352230, 162622720, 178043840, 198587360, 258163568, 317739776, 322704460, 356087680, 397174720, 516327136, 645408920, 712175360, 794349440, 1032654272, 1290817840, 1588698880, 2065308544, 2581635680, 4130617088, 5163271360, 10326542720, 20653085440]

約数ペア:

[(1, 20653085440), (2, 10326542720), (4, 5163271360), (5, 4130617088), (8, 2581635680), (10, 2065308544), (13, 1588698880), (16, 1290817840), (20, 1032654272), (26, 794349440), (29, 712175360), (32, 645408920), (40, 516327136), (52, 397174720), (58, 356087680), (64, 322704460), (65, 317739776), (80, 258163568), (104, 198587360), (116, 178043840), (127, 162622720), (128, 161352230), (130, 158869888), (145, 142435072), (160, 129081784), (208, 99293680), (232, 89021920), (254, 81311360), (256, 80676115), (260, 79434944), (290, 71217536), (320, 64540892), (337, 61285120), (377, 54782720), (416, 49646840), (464, 44510960), (508, 40655680), (520, 39717472), (580, 35608768), (635, 32524544), (640, 32270446), (674, 30642560), (754, 27391360), (832, 24823420), (928, 22255480), (1016, 20327840), (1040, 19858736), (1160, 17804384), (1270, 16262272), (1280, 16135223), (1348, 15321280), (1508, 13695680), (1651, 12509440), (1664, 12411710), (1685, 12257024), (1856, 11127740), (1885, 10956544), (2032, 10163920), (2080, 9929368), (2320, 8902192), (2540, 8131136), (2696, 7660640), (3016, 6847840), (3302, 6254720), (3328, 6205855), (3370, 6128512), (3683, 5607680), (3712, 5563870), (3770, 5478272), (4064, 5081960), (4160, 4964684), (4381, 4714240), (4640, 4451096), (5080, 4065568), (5392, 3830320), (6032, 3423920), (6604, 3127360), (6740, 3064256), (7366, 2803840), (7424, 2781935), (7540, 2739136), (8128, 2540980), (8255, 2501888), (8320, 2482342), (8762, 2357120), (9280, 2225548), (9773, 2113280), (10160, 2032784), (10784, 1915160), (12064, 1711960), (13208, 1563680), (13480, 1532128), (14732, 1401920), (15080, 1369568), (16256, 1270490), (16510, 1250944), (16640, 1241171), (17524, 1178560), (18415, 1121536), (18560, 1112774), (19546, 1056640), (20320, 1016392), (21568, 957580), (21905, 942848), (24128, 855980), (26416, 781840), (26960, 766064), (29464, 700960), (30160, 684784), (32512, 635245), (33020, 625472), (35048, 589280), (36830, 560768), (37120, 556387), (39092, 528320), (40640, 508196), (42799, 482560), (43136, 478790), (43810, 471424), (47879, 431360), (48256, 427990), (48865, 422656), (52832, 390920), (53920, 383032), (58928, 350480), (60320, 342392), (66040, 312736), (70096, 294640), (73660, 280384), (78184, 264160), (81280, 254098), (85598, 241280), (86272, 239395), (87620, 235712), (95758, 215680), (96512, 213995), (97730, 211328), (105664, 195460), (107840, 191516), (117856, 175240), (120640, 171196), (127049, 162560), (132080, 156368), (140192, 147320)]