20490696576

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{29207}}^1$

素因数の和:29266

約数の個数: 256

約数和(自身を含む): 71501184000

約数和(自身を除く): 51010487424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 64, 72, 84, 87, 96, 108, 112, 116, 126, 128, 144, 168, 174, 189, 192, 203, 216, 224, 232, 252, 261, 288, 336, 348, 378, 384, 406, 432, 448, 464, 504, 522, 576, 609, 672, 696, 756, 783, 812, 864, 896, 928, 1008, 1044, 1152, 1218, 1344, 1392, 1512, 1566, 1624, 1728, 1827, 1856, 2016, 2088, 2436, 2688, 2784, 3024, 3132, 3248, 3456, 3654, 3712, 4032, 4176, 4872, 5481, 5568, 6048, 6264, 6496, 7308, 8064, 8352, 9744, 10962, 11136, 12096, 12528, 12992, 14616, 16704, 19488, 21924, 24192, 25056, 25984, 29207, 29232, 33408, 38976, 43848, 50112, 58414, 58464, 77952, 87621, 87696, 100224, 116828, 116928, 175242, 175392, 204449, 233656, 233856, 262863, 350484, 350784, 408898, 467312, 525726, 613347, 700968, 701568, 788589, 817796, 847003, 934624, 1051452, 1226694, 1401936, 1577178, 1635592, 1694006, 1840041, 1869248, 2102904, 2453388, 2541009, 2803872, 3154356, 3271184, 3388012, 3680082, 3738496, 4205808, 4906776, 5082018, 5520123, 5607744, 5929021, 6308712, 6542368, 6776024, 7360164, 7623027, 8411616, 9813552, 10164036, 11040246, 11215488, 11858042, 12617424, 13084736, 13552048, 14720328, 15246054, 16823232, 17787063, 19627104, 20328072, 22080492, 22869081, 23716084, 25234848, 26169472, 27104096, 29440656, 30492108, 33646464, 35574126, 39254208, 40656144, 44160984, 45738162, 47432168, 50469696, 53361189, 54208192, 58881312, 60984216, 71148252, 78508416, 81312288, 88321968, 91476324, 94864336, 100939392, 106722378, 108416384, 117762624, 121968432, 142296504, 160083567, 162624576, 176643936, 182952648, 189728672, 213444756, 235525248, 243936864, 284593008, 320167134, 325249152, 353287872, 365905296, 379457344, 426889512, 487873728, 569186016, 640334268, 706575744, 731810592, 758914688, 853779024, 975747456, 1138372032, 1280668536, 1463621184, 1707558048, 2276744064, 2561337072, 2927242368, 3415116096, 5122674144, 6830232192, 10245348288, 20490696576]

約数ペア:

[(1, 20490696576), (2, 10245348288), (3, 6830232192), (4, 5122674144), (6, 3415116096), (7, 2927242368), (8, 2561337072), (9, 2276744064), (12, 1707558048), (14, 1463621184), (16, 1280668536), (18, 1138372032), (21, 975747456), (24, 853779024), (27, 758914688), (28, 731810592), (29, 706575744), (32, 640334268), (36, 569186016), (42, 487873728), (48, 426889512), (54, 379457344), (56, 365905296), (58, 353287872), (63, 325249152), (64, 320167134), (72, 284593008), (84, 243936864), (87, 235525248), (96, 213444756), (108, 189728672), (112, 182952648), (116, 176643936), (126, 162624576), (128, 160083567), (144, 142296504), (168, 121968432), (174, 117762624), (189, 108416384), (192, 106722378), (203, 100939392), (216, 94864336), (224, 91476324), (232, 88321968), (252, 81312288), (261, 78508416), (288, 71148252), (336, 60984216), (348, 58881312), (378, 54208192), (384, 53361189), (406, 50469696), (432, 47432168), (448, 45738162), (464, 44160984), (504, 40656144), (522, 39254208), (576, 35574126), (609, 33646464), (672, 30492108), (696, 29440656), (756, 27104096), (783, 26169472), (812, 25234848), (864, 23716084), (896, 22869081), (928, 22080492), (1008, 20328072), (1044, 19627104), (1152, 17787063), (1218, 16823232), (1344, 15246054), (1392, 14720328), (1512, 13552048), (1566, 13084736), (1624, 12617424), (1728, 11858042), (1827, 11215488), (1856, 11040246), (2016, 10164036), (2088, 9813552), (2436, 8411616), (2688, 7623027), (2784, 7360164), (3024, 6776024), (3132, 6542368), (3248, 6308712), (3456, 5929021), (3654, 5607744), (3712, 5520123), (4032, 5082018), (4176, 4906776), (4872, 4205808), (5481, 3738496), (5568, 3680082), (6048, 3388012), (6264, 3271184), (6496, 3154356), (7308, 2803872), (8064, 2541009), (8352, 2453388), (9744, 2102904), (10962, 1869248), (11136, 1840041), (12096, 1694006), (12528, 1635592), (12992, 1577178), (14616, 1401936), (16704, 1226694), (19488, 1051452), (21924, 934624), (24192, 847003), (25056, 817796), (25984, 788589), (29207, 701568), (29232, 700968), (33408, 613347), (38976, 525726), (43848, 467312), (50112, 408898), (58414, 350784), (58464, 350484), (77952, 262863), (87621, 233856), (87696, 233656), (100224, 204449), (116828, 175392), (116928, 175242)]