20986850880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{2221}}^1$

素因数の和:2454

約数の個数: 336

約数和(自身を含む): 76862872944

約数和(自身を除く): 55876022064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 193, 204, 240, 255, 272, 288, 306, 320, 340, 360, 386, 408, 480, 510, 544, 576, 579, 612, 680, 720, 765, 772, 816, 960, 965, 1020, 1088, 1158, 1224, 1360, 1440, 1530, 1544, 1632, 1737, 1930, 2040, 2221, 2316, 2448, 2720, 2880, 2895, 3060, 3088, 3264, 3281, 3474, 3860, 4080, 4442, 4632, 4896, 5440, 5790, 6120, 6176, 6562, 6663, 6948, 7720, 8160, 8685, 8884, 9264, 9792, 9843, 11105, 11580, 12240, 12352, 13124, 13326, 13896, 15440, 16320, 16405, 17370, 17768, 18528, 19686, 19989, 22210, 23160, 24480, 26248, 26652, 27792, 29529, 30880, 32810, 33315, 34740, 35536, 37056, 37757, 39372, 39978, 44420, 46320, 48960, 49215, 52496, 53304, 55584, 59058, 61760, 65620, 66630, 69480, 71072, 75514, 78744, 79956, 88840, 92640, 98430, 99945, 104992, 106608, 111168, 113271, 118116, 131240, 133260, 138960, 142144, 147645, 151028, 157488, 159912, 177680, 185280, 188785, 196860, 199890, 209984, 213216, 226542, 236232, 262480, 266520, 277920, 295290, 302056, 314976, 319824, 339813, 355360, 377570, 393720, 399780, 426432, 428653, 453084, 472464, 524960, 533040, 555840, 566355, 590580, 604112, 629952, 639648, 679626, 710720, 755140, 787440, 799560, 857306, 906168, 944928, 1049920, 1066080, 1132710, 1181160, 1208224, 1279296, 1285959, 1359252, 1510280, 1574880, 1599120, 1699065, 1714612, 1812336, 1889856, 2132160, 2143265, 2265420, 2362320, 2416448, 2571918, 2718504, 3020560, 3149760, 3198240, 3398130, 3429224, 3624672, 3857877, 4286530, 4530840, 4724640, 5143836, 5437008, 6041120, 6396480, 6429795, 6796260, 6858448, 7249344, 7287101, 7715754, 8573060, 9061680, 9449280, 10287672, 10874016, 12082240, 12859590, 13592520, 13716896, 14574202, 15431508, 17146120, 18123360, 19289385, 20575344, 21748032, 21861303, 25719180, 27185040, 27433792, 29148404, 30863016, 34292240, 36246720, 36435505, 38578770, 41150688, 43722606, 51438360, 54370080, 58296808, 61726032, 65583909, 68584480, 72871010, 77157540, 82301376, 87445212, 102876720, 108740160, 109306515, 116593616, 123452064, 131167818, 137168960, 145742020, 154315080, 174890424, 205753440, 218613030, 233187232, 246904128, 262335636, 291484040, 308630160, 327919545, 349780848, 411506880, 437226060, 466374464, 524671272, 582968080, 617260320, 655839090, 699561696, 874452120, 1049342544, 1165936160, 1234520640, 1311678180, 1399123392, 1748904240, 2098685088, 2331872320, 2623356360, 3497808480, 4197370176, 5246712720, 6995616960, 10493425440, 20986850880]

約数ペア:

[(1, 20986850880), (2, 10493425440), (3, 6995616960), (4, 5246712720), (5, 4197370176), (6, 3497808480), (8, 2623356360), (9, 2331872320), (10, 2098685088), (12, 1748904240), (15, 1399123392), (16, 1311678180), (17, 1234520640), (18, 1165936160), (20, 1049342544), (24, 874452120), (30, 699561696), (32, 655839090), (34, 617260320), (36, 582968080), (40, 524671272), (45, 466374464), (48, 437226060), (51, 411506880), (60, 349780848), (64, 327919545), (68, 308630160), (72, 291484040), (80, 262335636), (85, 246904128), (90, 233187232), (96, 218613030), (102, 205753440), (120, 174890424), (136, 154315080), (144, 145742020), (153, 137168960), (160, 131167818), (170, 123452064), (180, 116593616), (192, 109306515), (193, 108740160), (204, 102876720), (240, 87445212), (255, 82301376), (272, 77157540), (288, 72871010), (306, 68584480), (320, 65583909), (340, 61726032), (360, 58296808), (386, 54370080), (408, 51438360), (480, 43722606), (510, 41150688), (544, 38578770), (576, 36435505), (579, 36246720), (612, 34292240), (680, 30863016), (720, 29148404), (765, 27433792), (772, 27185040), (816, 25719180), (960, 21861303), (965, 21748032), (1020, 20575344), (1088, 19289385), (1158, 18123360), (1224, 17146120), (1360, 15431508), (1440, 14574202), (1530, 13716896), (1544, 13592520), (1632, 12859590), (1737, 12082240), (1930, 10874016), (2040, 10287672), (2221, 9449280), (2316, 9061680), (2448, 8573060), (2720, 7715754), (2880, 7287101), (2895, 7249344), (3060, 6858448), (3088, 6796260), (3264, 6429795), (3281, 6396480), (3474, 6041120), (3860, 5437008), (4080, 5143836), (4442, 4724640), (4632, 4530840), (4896, 4286530), (5440, 3857877), (5790, 3624672), (6120, 3429224), (6176, 3398130), (6562, 3198240), (6663, 3149760), (6948, 3020560), (7720, 2718504), (8160, 2571918), (8685, 2416448), (8884, 2362320), (9264, 2265420), (9792, 2143265), (9843, 2132160), (11105, 1889856), (11580, 1812336), (12240, 1714612), (12352, 1699065), (13124, 1599120), (13326, 1574880), (13896, 1510280), (15440, 1359252), (16320, 1285959), (16405, 1279296), (17370, 1208224), (17768, 1181160), (18528, 1132710), (19686, 1066080), (19989, 1049920), (22210, 944928), (23160, 906168), (24480, 857306), (26248, 799560), (26652, 787440), (27792, 755140), (29529, 710720), (30880, 679626), (32810, 639648), (33315, 629952), (34740, 604112), (35536, 590580), (37056, 566355), (37757, 555840), (39372, 533040), (39978, 524960), (44420, 472464), (46320, 453084), (48960, 428653), (49215, 426432), (52496, 399780), (53304, 393720), (55584, 377570), (59058, 355360), (61760, 339813), (65620, 319824), (66630, 314976), (69480, 302056), (71072, 295290), (75514, 277920), (78744, 266520), (79956, 262480), (88840, 236232), (92640, 226542), (98430, 213216), (99945, 209984), (104992, 199890), (106608, 196860), (111168, 188785), (113271, 185280), (118116, 177680), (131240, 159912), (133260, 157488), (138960, 151028), (142144, 147645)]