20910387840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{3109}}^1$

素因数の和:3275

約数の個数: 256

約数和(自身を含む): 69433113600

約数和(自身を除く): 48522725760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 113, 120, 124, 128, 155, 160, 186, 192, 226, 240, 248, 310, 320, 339, 372, 384, 452, 465, 480, 496, 565, 620, 640, 678, 744, 904, 930, 960, 992, 1130, 1240, 1356, 1488, 1695, 1808, 1860, 1920, 1984, 2260, 2480, 2712, 2976, 3109, 3390, 3503, 3616, 3720, 3968, 4520, 4960, 5424, 5952, 6218, 6780, 7006, 7232, 7440, 9040, 9327, 9920, 10509, 10848, 11904, 12436, 13560, 14012, 14464, 14880, 15545, 17515, 18080, 18654, 19840, 21018, 21696, 24872, 27120, 28024, 29760, 31090, 35030, 36160, 37308, 42036, 43392, 46635, 49744, 52545, 54240, 56048, 59520, 62180, 70060, 72320, 74616, 84072, 93270, 96379, 99488, 105090, 108480, 112096, 124360, 140120, 149232, 168144, 186540, 192758, 198976, 210180, 216960, 224192, 248720, 280240, 289137, 298464, 336288, 351317, 373080, 385516, 397952, 420360, 448384, 481895, 497440, 560480, 578274, 596928, 672576, 702634, 746160, 771032, 840720, 963790, 994880, 1053951, 1120960, 1156548, 1193856, 1345152, 1405268, 1445685, 1492320, 1542064, 1681440, 1756585, 1927580, 1989760, 2107902, 2241920, 2313096, 2810536, 2891370, 2984640, 3084128, 3362880, 3513170, 3855160, 4215804, 4626192, 5269755, 5621072, 5782740, 5969280, 6168256, 6725760, 7026340, 7710320, 8431608, 9252384, 10539510, 10890827, 11242144, 11565480, 12336512, 14052680, 15420640, 16863216, 18504768, 21079020, 21781654, 22484288, 23130960, 28105360, 30841280, 32672481, 33726432, 37009536, 42158040, 43563308, 44968576, 46261920, 54454135, 56210720, 61682560, 65344962, 67452864, 84316080, 87126616, 92523840, 108908270, 112421440, 130689924, 134905728, 163362405, 168632160, 174253232, 185047680, 217816540, 224842880, 261379848, 326724810, 337264320, 348506464, 435633080, 522759696, 653449620, 674528640, 697012928, 871266160, 1045519392, 1306899240, 1394025856, 1742532320, 2091038784, 2613798480, 3485064640, 4182077568, 5227596960, 6970129280, 10455193920, 20910387840]

約数ペア:

[(1, 20910387840), (2, 10455193920), (3, 6970129280), (4, 5227596960), (5, 4182077568), (6, 3485064640), (8, 2613798480), (10, 2091038784), (12, 1742532320), (15, 1394025856), (16, 1306899240), (20, 1045519392), (24, 871266160), (30, 697012928), (31, 674528640), (32, 653449620), (40, 522759696), (48, 435633080), (60, 348506464), (62, 337264320), (64, 326724810), (80, 261379848), (93, 224842880), (96, 217816540), (113, 185047680), (120, 174253232), (124, 168632160), (128, 163362405), (155, 134905728), (160, 130689924), (186, 112421440), (192, 108908270), (226, 92523840), (240, 87126616), (248, 84316080), (310, 67452864), (320, 65344962), (339, 61682560), (372, 56210720), (384, 54454135), (452, 46261920), (465, 44968576), (480, 43563308), (496, 42158040), (565, 37009536), (620, 33726432), (640, 32672481), (678, 30841280), (744, 28105360), (904, 23130960), (930, 22484288), (960, 21781654), (992, 21079020), (1130, 18504768), (1240, 16863216), (1356, 15420640), (1488, 14052680), (1695, 12336512), (1808, 11565480), (1860, 11242144), (1920, 10890827), (1984, 10539510), (2260, 9252384), (2480, 8431608), (2712, 7710320), (2976, 7026340), (3109, 6725760), (3390, 6168256), (3503, 5969280), (3616, 5782740), (3720, 5621072), (3968, 5269755), (4520, 4626192), (4960, 4215804), (5424, 3855160), (5952, 3513170), (6218, 3362880), (6780, 3084128), (7006, 2984640), (7232, 2891370), (7440, 2810536), (9040, 2313096), (9327, 2241920), (9920, 2107902), (10509, 1989760), (10848, 1927580), (11904, 1756585), (12436, 1681440), (13560, 1542064), (14012, 1492320), (14464, 1445685), (14880, 1405268), (15545, 1345152), (17515, 1193856), (18080, 1156548), (18654, 1120960), (19840, 1053951), (21018, 994880), (21696, 963790), (24872, 840720), (27120, 771032), (28024, 746160), (29760, 702634), (31090, 672576), (35030, 596928), (36160, 578274), (37308, 560480), (42036, 497440), (43392, 481895), (46635, 448384), (49744, 420360), (52545, 397952), (54240, 385516), (56048, 373080), (59520, 351317), (62180, 336288), (70060, 298464), (72320, 289137), (74616, 280240), (84072, 248720), (93270, 224192), (96379, 216960), (99488, 210180), (105090, 198976), (108480, 192758), (112096, 186540), (124360, 168144), (140120, 149232)]