20007000000

素因数分解:

$2^6\times 3^4\times 5^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:86

約数の個数: 980

約数和(自身を含む): 84037205560

約数和(自身を除く): 64030205560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 25, 26, 27, 30, 32, 36, 38, 39, 40, 45, 48, 50, 52, 54, 57, 60, 64, 65, 72, 75, 76, 78, 80, 81, 90, 95, 96, 100, 104, 108, 114, 117, 120, 125, 130, 135, 144, 150, 152, 156, 160, 162, 171, 180, 190, 192, 195, 200, 208, 216, 225, 228, 234, 240, 247, 250, 260, 270, 285, 288, 300, 304, 312, 320, 324, 325, 342, 351, 360, 375, 380, 390, 400, 405, 416, 432, 450, 456, 468, 475, 480, 494, 500, 513, 520, 540, 570, 576, 585, 600, 608, 624, 625, 648, 650, 675, 684, 702, 720, 741, 750, 760, 780, 800, 810, 832, 855, 864, 900, 912, 936, 950, 960, 975, 988, 1000, 1026, 1040, 1053, 1080, 1125, 1140, 1170, 1200, 1216, 1235, 1248, 1250, 1296, 1300, 1350, 1368, 1404, 1425, 1440, 1482, 1500, 1520, 1539, 1560, 1600, 1620, 1625, 1710, 1728, 1755, 1800, 1824, 1872, 1875, 1900, 1950, 1976, 2000, 2025, 2052, 2080, 2106, 2160, 2223, 2250, 2280, 2340, 2375, 2400, 2470, 2496, 2500, 2565, 2592, 2600, 2700, 2736, 2808, 2850, 2880, 2925, 2964, 3000, 3040, 3078, 3120, 3125, 3240, 3250, 3375, 3420, 3510, 3600, 3648, 3705, 3744, 3750, 3800, 3900, 3952, 4000, 4050, 4104, 4160, 4212, 4275, 4320, 4446, 4500, 4560, 4680, 4750, 4800, 4875, 4940, 5000, 5130, 5184, 5200, 5265, 5400, 5472, 5616, 5625, 5700, 5850, 5928, 6000, 6080, 6156, 6175, 6240, 6250, 6480, 6500, 6669, 6750, 6840, 7020, 7125, 7200, 7410, 7488, 7500, 7600, 7695, 7800, 7904, 8000, 8100, 8125, 8208, 8424, 8550, 8640, 8775, 8892, 9000, 9120, 9360, 9375, 9500, 9750, 9880, 10000, 10125, 10260, 10400, 10530, 10800, 10944, 11115, 11232, 11250, 11400, 11700, 11856, 11875, 12000, 12312, 12350, 12480, 12500, 12825, 12960, 13000, 13338, 13500, 13680, 14040, 14250, 14400, 14625, 14820, 15000, 15200, 15390, 15600, 15625, 15808, 16200, 16250, 16416, 16848, 16875, 17100, 17550, 17784, 18000, 18240, 18525, 18720, 18750, 19000, 19500, 19760, 20000, 20007, 20250, 20520, 20800, 21060, 21375, 21600, 22230, 22464, 22500, 22800, 23400, 23712, 23750, 24000, 24375, 24624, 24700, 25000, 25650, 25920, 26000, 26325, 26676, 27000, 27360, 28080, 28125, 28500, 29250, 29640, 30000, 30400, 30780, 30875, 31200, 31250, 32400, 32500, 32832, 33345, 33696, 33750, 34200, 35100, 35568, 35625, 36000, 37050, 37440, 37500, 38000, 38475, 39000, 39520, 40000, 40014, 40500, 40625, 41040, 42120, 42750, 43200, 43875, 44460, 45000, 45600, 46800, 46875, 47424, 47500, 48750, 49248, 49400, 50000, 50625, 51300, 52000, 52650, 53352, 54000, 54720, 55575, 56160, 56250, 57000, 58500, 59280, 59375, 60000, 61560, 61750, 62400, 62500, 64125, 64800, 65000, 66690, 67392, 67500, 68400, 70200, 71136, 71250, 72000, 73125, 74100, 75000, 76000, 76950, 78000, 79040, 80028, 81000, 81250, 82080, 84240, 84375, 85500, 87750, 88920, 90000, 91200, 92625, 93600, 93750, 95000, 97500, 98496, 98800, 100000, 100035, 101250, 102600, 104000, 105300, 106704, 106875, 108000, 111150, 112320, 112500, 114000, 117000, 118560, 118750, 120000, 121875, 123120, 123500, 125000, 128250, 129600, 130000, 131625, 133380, 135000, 136800, 140400, 140625, 142272, 142500, 146250, 148200, 150000, 152000, 153900, 154375, 156000, 160056, 162000, 162500, 164160, 166725, 168480, 168750, 171000, 175500, 177840, 178125, 180000, 185250, 187200, 187500, 190000, 192375, 195000, 197600, 200000, 200070, 202500, 203125, 205200, 210600, 213408, 213750, 216000, 219375, 222300, 225000, 228000, 234000, 237120, 237500, 243750, 246240, 247000, 250000, 253125, 256500, 260000, 263250, 266760, 270000, 273600, 277875, 280800, 281250, 285000, 292500, 296400, 296875, 300000, 307800, 308750, 312000, 320112, 320625, 324000, 325000, 333450, 336960, 337500, 342000, 351000, 355680, 356250, 360000, 365625, 370500, 375000, 380000, 384750, 390000, 395200, 400140, 405000, 406250, 410400, 421200, 421875, 426816, 427500, 438750, 444600, 450000, 456000, 463125, 468000, 475000, 487500, 492480, 494000, 500000, 500175, 506250, 513000, 520000, 526500, 533520, 534375, 540000, 555750, 561600, 562500, 570000, 585000, 592800, 593750, 600000, 609375, 615600, 617500, 640224, 641250, 648000, 650000, 658125, 666900, 675000, 684000, 702000, 711360, 712500, 731250, 741000, 750000, 760000, 769500, 771875, 780000, 800280, 810000, 812500, 820800, 833625, 842400, 843750, 855000, 877500, 889200, 890625, 900000, 926250, 936000, 950000, 961875, 975000, 988000, 1000000, 1000350, 1012500, 1026000, 1053000, 1067040, 1068750, 1080000, 1096875, 1111500, 1125000, 1140000, 1170000, 1185600, 1187500, 1218750, 1231200, 1235000, 1265625, 1280448, 1282500, 1300000, 1316250, 1333800, 1350000, 1368000, 1389375, 1404000, 1425000, 1462500, 1482000, 1500000, 1539000, 1543750, 1560000, 1600560, 1603125, 1620000, 1625000, 1667250, 1684800, 1687500, 1710000, 1755000, 1778400, 1781250, 1800000, 1828125, 1852500, 1900000, 1923750, 1950000, 1976000, 2000700, 2025000, 2052000, 2106000, 2134080, 2137500, 2193750, 2223000, 2250000, 2280000, 2315625, 2340000, 2375000, 2437500, 2462400, 2470000, 2500875, 2531250, 2565000, 2600000, 2632500, 2667600, 2671875, 2700000, 2778750, 2808000, 2850000, 2925000, 2964000, 3000000, 3078000, 3087500, 3201120, 3206250, 3240000, 3250000, 3290625, 3334500, 3375000, 3420000, 3510000, 3556800, 3562500, 3656250, 3705000, 3800000, 3847500, 3859375, 3900000, 4001400, 4050000, 4104000, 4168125, 4212000, 4275000, 4387500, 4446000, 4500000, 4631250, 4680000, 4750000, 4809375, 4875000, 4940000, 5001750, 5062500, 5130000, 5265000, 5335200, 5343750, 5400000, 5484375, 5557500, 5700000, 5850000, 5928000, 6156000, 6175000, 6402240, 6412500, 6500000, 6581250, 6669000, 6750000, 6840000, 6946875, 7020000, 7125000, 7312500, 7410000, 7695000, 7718750, 7800000, 8002800, 8015625, 8100000, 8336250, 8424000, 8550000, 8775000, 8892000, 9000000, 9262500, 9500000, 9618750, 9750000, 9880000, 10003500, 10125000, 10260000, 10530000, 10670400, 10687500, 10968750, 11115000, 11400000, 11578125, 11700000, 12312000, 12350000, 12504375, 12825000, 13000000, 13162500, 13338000, 13500000, 13893750, 14040000, 14250000, 14625000, 14820000, 15390000, 15437500, 16005600, 16031250, 16200000, 16453125, 16672500, 17100000, 17550000, 17784000, 18525000, 19000000, 19237500, 19500000, 20007000, 20250000, 20520000, 20840625, 21060000, 21375000, 21937500, 22230000, 23156250, 23400000, 24046875, 24700000, 25008750, 25650000, 26325000, 26676000, 27000000, 27787500, 28500000, 29250000, 29640000, 30780000, 30875000, 32011200, 32062500, 32906250, 33345000, 34200000, 34734375, 35100000, 37050000, 38475000, 39000000, 40014000, 40500000, 41681250, 42120000, 42750000, 43875000, 44460000, 46312500, 48093750, 49400000, 50017500, 51300000, 52650000, 53352000, 55575000, 57000000, 58500000, 61560000, 61750000, 62521875, 64125000, 65812500, 66690000, 69468750, 70200000, 74100000, 76950000, 80028000, 81000000, 83362500, 85500000, 87750000, 88920000, 92625000, 96187500, 100035000, 102600000, 104203125, 105300000, 111150000, 117000000, 123500000, 125043750, 128250000, 131625000, 133380000, 138937500, 148200000, 153900000, 160056000, 166725000, 171000000, 175500000, 185250000, 192375000, 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約数ペア:

[(1, 20007000000), (2, 10003500000), (3, 6669000000), (4, 5001750000), (5, 4001400000), (6, 3334500000), (8, 2500875000), (9, 2223000000), (10, 2000700000), (12, 1667250000), (13, 1539000000), (15, 1333800000), (16, 1250437500), (18, 1111500000), (19, 1053000000), (20, 1000350000), (24, 833625000), (25, 800280000), (26, 769500000), (27, 741000000), (30, 666900000), (32, 625218750), (36, 555750000), (38, 526500000), (39, 513000000), (40, 500175000), (45, 444600000), (48, 416812500), (50, 400140000), (52, 384750000), (54, 370500000), (57, 351000000), (60, 333450000), (64, 312609375), (65, 307800000), (72, 277875000), (75, 266760000), (76, 263250000), (78, 256500000), (80, 250087500), (81, 247000000), (90, 222300000), (95, 210600000), (96, 208406250), (100, 200070000), (104, 192375000), (108, 185250000), (114, 175500000), (117, 171000000), (120, 166725000), (125, 160056000), (130, 153900000), (135, 148200000), (144, 138937500), (150, 133380000), (152, 131625000), (156, 128250000), (160, 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