20988000000

素因数分解:

$2^8\times 3^2\times 5^6\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 756

約数和(自身を含む): 84074392584

約数和(自身を除く): 63086392584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 32, 33, 36, 40, 44, 45, 48, 50, 53, 55, 60, 64, 66, 72, 75, 80, 88, 90, 96, 99, 100, 106, 110, 120, 125, 128, 132, 144, 150, 159, 160, 165, 176, 180, 192, 198, 200, 212, 220, 225, 240, 250, 256, 264, 265, 275, 288, 300, 318, 320, 330, 352, 360, 375, 384, 396, 400, 424, 440, 450, 477, 480, 495, 500, 528, 530, 550, 576, 583, 600, 625, 636, 640, 660, 704, 720, 750, 768, 792, 795, 800, 825, 848, 880, 900, 954, 960, 990, 1000, 1056, 1060, 1100, 1125, 1152, 1166, 1200, 1250, 1272, 1280, 1320, 1325, 1375, 1408, 1440, 1500, 1584, 1590, 1600, 1650, 1696, 1749, 1760, 1800, 1875, 1908, 1920, 1980, 2000, 2112, 2120, 2200, 2250, 2304, 2332, 2385, 2400, 2475, 2500, 2544, 2640, 2650, 2750, 2816, 2880, 2915, 3000, 3125, 3168, 3180, 3200, 3300, 3392, 3498, 3520, 3600, 3750, 3816, 3840, 3960, 3975, 4000, 4125, 4224, 4240, 4400, 4500, 4664, 4770, 4800, 4950, 5000, 5088, 5247, 5280, 5300, 5500, 5625, 5760, 5830, 6000, 6250, 6336, 6360, 6400, 6600, 6625, 6784, 6875, 6996, 7040, 7200, 7500, 7632, 7920, 7950, 8000, 8250, 8448, 8480, 8745, 8800, 9000, 9328, 9375, 9540, 9600, 9900, 10000, 10176, 10494, 10560, 10600, 11000, 11250, 11520, 11660, 11925, 12000, 12375, 12500, 12672, 12720, 13200, 13250, 13568, 13750, 13992, 14080, 14400, 14575, 15000, 15264, 15625, 15840, 15900, 16000, 16500, 16960, 17490, 17600, 18000, 18656, 18750, 19080, 19200, 19800, 19875, 20000, 20352, 20625, 20988, 21120, 21200, 22000, 22500, 23320, 23850, 24000, 24750, 25000, 25344, 25440, 26235, 26400, 26500, 27500, 27984, 28125, 28800, 29150, 30000, 30528, 31250, 31680, 31800, 32000, 33000, 33125, 33920, 34375, 34980, 35200, 36000, 37312, 37500, 38160, 39600, 39750, 40000, 40704, 41250, 41976, 42240, 42400, 43725, 44000, 45000, 46640, 46875, 47700, 48000, 49500, 50000, 50880, 52470, 52800, 53000, 55000, 55968, 56250, 57600, 58300, 59625, 60000, 61056, 61875, 62500, 63360, 63600, 66000, 66250, 67840, 68750, 69960, 70400, 72000, 72875, 74624, 75000, 76320, 79200, 79500, 80000, 82500, 83952, 84800, 87450, 88000, 90000, 93280, 93750, 95400, 96000, 99000, 99375, 100000, 101760, 103125, 104940, 105600, 106000, 110000, 111936, 112500, 116600, 119250, 120000, 122112, 123750, 125000, 126720, 127200, 131175, 132000, 132500, 137500, 139920, 140625, 144000, 145750, 149248, 150000, 152640, 158400, 159000, 160000, 165000, 165625, 167904, 169600, 171875, 174900, 176000, 180000, 186560, 187500, 190800, 198000, 198750, 200000, 203520, 206250, 209880, 211200, 212000, 218625, 220000, 223872, 225000, 233200, 238500, 240000, 247500, 250000, 254400, 262350, 264000, 265000, 275000, 279840, 281250, 288000, 291500, 298125, 300000, 305280, 309375, 316800, 318000, 330000, 331250, 335808, 339200, 343750, 349800, 352000, 360000, 364375, 373120, 375000, 381600, 396000, 397500, 400000, 412500, 419760, 424000, 437250, 440000, 447744, 450000, 466400, 477000, 480000, 495000, 496875, 500000, 508800, 515625, 524700, 528000, 530000, 550000, 559680, 562500, 583000, 596250, 600000, 610560, 618750, 633600, 636000, 655875, 660000, 662500, 671616, 687500, 699600, 720000, 728750, 746240, 750000, 763200, 792000, 795000, 800000, 825000, 828125, 839520, 848000, 874500, 880000, 900000, 932800, 954000, 990000, 993750, 1000000, 1017600, 1031250, 1049400, 1056000, 1060000, 1093125, 1100000, 1119360, 1125000, 1166000, 1192500, 1200000, 1237500, 1272000, 1311750, 1320000, 1325000, 1343232, 1375000, 1399200, 1440000, 1457500, 1490625, 1500000, 1526400, 1546875, 1584000, 1590000, 1650000, 1656250, 1679040, 1696000, 1749000, 1760000, 1800000, 1821875, 1865600, 1908000, 1980000, 1987500, 2000000, 2062500, 2098800, 2120000, 2186250, 2200000, 2238720, 2250000, 2332000, 2385000, 2400000, 2475000, 2484375, 2544000, 2623500, 2640000, 2650000, 2750000, 2798400, 2915000, 2981250, 3000000, 3052800, 3093750, 3168000, 3180000, 3279375, 3300000, 3312500, 3358080, 3498000, 3600000, 3643750, 3731200, 3816000, 3960000, 3975000, 4000000, 4125000, 4197600, 4240000, 4372500, 4400000, 4500000, 4664000, 4770000, 4950000, 4968750, 5088000, 5247000, 5280000, 5300000, 5465625, 5500000, 5596800, 5830000, 5962500, 6000000, 6187500, 6360000, 6558750, 6600000, 6625000, 6716160, 6996000, 7200000, 7287500, 7453125, 7632000, 7920000, 7950000, 8250000, 8395200, 8480000, 8745000, 8800000, 9000000, 9109375, 9328000, 9540000, 9900000, 9937500, 10494000, 10600000, 10931250, 11000000, 11193600, 11660000, 11925000, 12000000, 12375000, 12720000, 13117500, 13200000, 13250000, 13992000, 14575000, 14906250, 15264000, 15840000, 15900000, 16396875, 16500000, 16790400, 17490000, 18000000, 18218750, 18656000, 19080000, 19800000, 19875000, 20988000, 21200000, 21862500, 22000000, 23320000, 23850000, 24750000, 25440000, 26235000, 26400000, 26500000, 27328125, 27984000, 29150000, 29812500, 31800000, 32793750, 33000000, 33580800, 34980000, 36000000, 36437500, 38160000, 39600000, 39750000, 41976000, 42400000, 43725000, 44000000, 46640000, 47700000, 49500000, 52470000, 53000000, 54656250, 55968000, 58300000, 59625000, 63600000, 65587500, 66000000, 69960000, 72875000, 76320000, 79200000, 79500000, 81984375, 83952000, 87450000, 93280000, 95400000, 99000000, 104940000, 106000000, 109312500, 116600000, 119250000, 127200000, 131175000, 132000000, 139920000, 145750000, 159000000, 163968750, 167904000, 174900000, 190800000, 198000000, 209880000, 212000000, 218625000, 233200000, 238500000, 262350000, 279840000, 291500000, 318000000, 327937500, 349800000, 381600000, 396000000, 419760000, 437250000, 466400000, 477000000, 524700000, 583000000, 636000000, 655875000, 699600000, 839520000, 874500000, 954000000, 1049400000, 1166000000, 1311750000, 1399200000, 1749000000, 1908000000, 2098800000, 2332000000, 2623500000, 3498000000, 4197600000, 5247000000, 6996000000, 10494000000, 20988000000]

約数ペア:

[(1, 20988000000), (2, 10494000000), (3, 6996000000), (4, 5247000000), (5, 4197600000), (6, 3498000000), (8, 2623500000), (9, 2332000000), (10, 2098800000), (11, 1908000000), (12, 1749000000), (15, 1399200000), (16, 1311750000), (18, 1166000000), (20, 1049400000), (22, 954000000), (24, 874500000), (25, 839520000), (30, 699600000), (32, 655875000), (33, 636000000), (36, 583000000), (40, 524700000), (44, 477000000), (45, 466400000), (48, 437250000), (50, 419760000), (53, 396000000), (55, 381600000), (60, 349800000), (64, 327937500), (66, 318000000), (72, 291500000), (75, 279840000), (80, 262350000), (88, 238500000), (90, 233200000), (96, 218625000), (99, 212000000), (100, 209880000), (106, 198000000), (110, 190800000), (120, 174900000), (125, 167904000), (128, 163968750), (132, 159000000), (144, 145750000), (150, 139920000), (159, 132000000), (160, 131175000), (165, 127200000), (176, 119250000), (180, 116600000), (192, 109312500), (198, 106000000), (200, 104940000), (212, 99000000), (220, 95400000), (225, 93280000), (240, 87450000), (250, 83952000), (256, 81984375), (264, 79500000), (265, 79200000), (275, 76320000), (288, 72875000), (300, 69960000), (318, 66000000), (320, 65587500), (330, 63600000), (352, 59625000), (360, 58300000), (375, 55968000), (384, 54656250), (396, 53000000), (400, 52470000), (424, 49500000), (440, 47700000), (450, 46640000), (477, 44000000), (480, 43725000), (495, 42400000), (500, 41976000), (528, 39750000), (530, 39600000), (550, 38160000), (576, 36437500), (583, 36000000), (600, 34980000), (625, 33580800), (636, 33000000), (640, 32793750), (660, 31800000), (704, 29812500), (720, 29150000), (750, 27984000), (768, 27328125), (792, 26500000), (795, 26400000), (800, 26235000), (825, 25440000), (848, 24750000), (880, 23850000), (900, 23320000), (954, 22000000), (960, 21862500), (990, 21200000), (1000, 20988000), (1056, 19875000), (1060, 19800000), (1100, 19080000), (1125, 18656000), (1152, 18218750), (1166, 18000000), (1200, 17490000), (1250, 16790400), (1272, 16500000), (1280, 16396875), (1320, 15900000), (1325, 15840000), (1375, 15264000), (1408, 14906250), (1440, 14575000), (1500, 13992000), (1584, 13250000), (1590, 13200000), (1600, 13117500), (1650, 12720000), (1696, 12375000), (1749, 12000000), (1760, 11925000), (1800, 11660000), (1875, 11193600), (1908, 11000000), (1920, 10931250), (1980, 10600000), (2000, 10494000), (2112, 9937500), (2120, 9900000), (2200, 9540000), (2250, 9328000), (2304, 9109375), (2332, 9000000), (2385, 8800000), (2400, 8745000), (2475, 8480000), (2500, 8395200), (2544, 8250000), (2640, 7950000), (2650, 7920000), (2750, 7632000), (2816, 7453125), (2880, 7287500), (2915, 7200000), (3000, 6996000), (3125, 6716160), (3168, 6625000), (3180, 6600000), (3200, 6558750), (3300, 6360000), (3392, 6187500), (3498, 6000000), (3520, 5962500), (3600, 5830000), (3750, 5596800), (3816, 5500000), (3840, 5465625), (3960, 5300000), (3975, 5280000), (4000, 5247000), (4125, 5088000), (4224, 4968750), (4240, 4950000), (4400, 4770000), (4500, 4664000), (4664, 4500000), (4770, 4400000), (4800, 4372500), (4950, 4240000), (5000, 4197600), (5088, 4125000), (5247, 4000000), (5280, 3975000), (5300, 3960000), (5500, 3816000), (5625, 3731200), (5760, 3643750), (5830, 3600000), (6000, 3498000), (6250, 3358080), (6336, 3312500), (6360, 3300000), (6400, 3279375), (6600, 3180000), (6625, 3168000), (6784, 3093750), (6875, 3052800), (6996, 3000000), (7040, 2981250), (7200, 2915000), (7500, 2798400), (7632, 2750000), (7920, 2650000), (7950, 2640000), (8000, 2623500), (8250, 2544000), (8448, 2484375), (8480, 2475000), (8745, 2400000), (8800, 2385000), (9000, 2332000), (9328, 2250000), (9375, 2238720), (9540, 2200000), (9600, 2186250), (9900, 2120000), (10000, 2098800), (10176, 2062500), (10494, 2000000), (10560, 1987500), (10600, 1980000), (11000, 1908000), (11250, 1865600), (11520, 1821875), (11660, 1800000), (11925, 1760000), (12000, 1749000), (12375, 1696000), (12500, 1679040), (12672, 1656250), (12720, 1650000), (13200, 1590000), (13250, 1584000), (13568, 1546875), (13750, 1526400), (13992, 1500000), (14080, 1490625), (14400, 1457500), (14575, 1440000), (15000, 1399200), (15264, 1375000), (15625, 1343232), (15840, 1325000), (15900, 1320000), (16000, 1311750), (16500, 1272000), (16960, 1237500), (17490, 1200000), (17600, 1192500), (18000, 1166000), (18656, 1125000), (18750, 1119360), (19080, 1100000), (19200, 1093125), (19800, 1060000), (19875, 1056000), (20000, 1049400), (20352, 1031250), (20625, 1017600), (20988, 1000000), (21120, 993750), (21200, 990000), (22000, 954000), (22500, 932800), (23320, 900000), (23850, 880000), (24000, 874500), (24750, 848000), (25000, 839520), (25344, 828125), (25440, 825000), (26235, 800000), (26400, 795000), (26500, 792000), (27500, 763200), (27984, 750000), (28125, 746240), (28800, 728750), (29150, 720000), (30000, 699600), (30528, 687500), (31250, 671616), (31680, 662500), (31800, 660000), (32000, 655875), (33000, 636000), (33125, 633600), (33920, 618750), (34375, 610560), (34980, 600000), (35200, 596250), (36000, 583000), (37312, 562500), (37500, 559680), (38160, 550000), (39600, 530000), (39750, 528000), (40000, 524700), (40704, 515625), (41250, 508800), (41976, 500000), (42240, 496875), (42400, 495000), (43725, 480000), (44000, 477000), (45000, 466400), (46640, 450000), (46875, 447744), (47700, 440000), (48000, 437250), (49500, 424000), (50000, 419760), (50880, 412500), (52470, 400000), (52800, 397500), (53000, 396000), (55000, 381600), (55968, 375000), (56250, 373120), (57600, 364375), (58300, 360000), (59625, 352000), (60000, 349800), (61056, 343750), (61875, 339200), (62500, 335808), (63360, 331250), (63600, 330000), (66000, 318000), (66250, 316800), (67840, 309375), (68750, 305280), (69960, 300000), (70400, 298125), (72000, 291500), (72875, 288000), (74624, 281250), (75000, 279840), (76320, 275000), (79200, 265000), (79500, 264000), (80000, 262350), (82500, 254400), (83952, 250000), (84800, 247500), (87450, 240000), (88000, 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