20475000000

素因数分解:

$2^6\times 3^2\times 5^8\times 7^1\times {\mathrm{13}}^1$

素因数の和:78

約数の個数: 756

約数和(自身を含む): 90289016272

約数和(自身を除く): 69814016272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 25, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 50, 52, 56, 60, 63, 64, 65, 70, 72, 75, 78, 80, 84, 90, 91, 96, 100, 104, 105, 112, 117, 120, 125, 126, 130, 140, 144, 150, 156, 160, 168, 175, 180, 182, 192, 195, 200, 208, 210, 224, 225, 234, 240, 250, 252, 260, 273, 280, 288, 300, 312, 315, 320, 325, 336, 350, 360, 364, 375, 390, 400, 416, 420, 448, 450, 455, 468, 480, 500, 504, 520, 525, 546, 560, 576, 585, 600, 624, 625, 630, 650, 672, 700, 720, 728, 750, 780, 800, 819, 832, 840, 875, 900, 910, 936, 960, 975, 1000, 1008, 1040, 1050, 1092, 1120, 1125, 1170, 1200, 1248, 1250, 1260, 1300, 1344, 1365, 1400, 1440, 1456, 1500, 1560, 1575, 1600, 1625, 1638, 1680, 1750, 1800, 1820, 1872, 1875, 1950, 2000, 2016, 2080, 2100, 2184, 2240, 2250, 2275, 2340, 2400, 2496, 2500, 2520, 2600, 2625, 2730, 2800, 2880, 2912, 2925, 3000, 3120, 3125, 3150, 3250, 3276, 3360, 3500, 3600, 3640, 3744, 3750, 3900, 4000, 4032, 4095, 4160, 4200, 4368, 4375, 4500, 4550, 4680, 4800, 4875, 5000, 5040, 5200, 5250, 5460, 5600, 5625, 5824, 5850, 6000, 6240, 6250, 6300, 6500, 6552, 6720, 6825, 7000, 7200, 7280, 7488, 7500, 7800, 7875, 8000, 8125, 8190, 8400, 8736, 8750, 9000, 9100, 9360, 9375, 9750, 10000, 10080, 10400, 10500, 10920, 11200, 11250, 11375, 11700, 12000, 12480, 12500, 12600, 13000, 13104, 13125, 13650, 14000, 14400, 14560, 14625, 15000, 15600, 15625, 15750, 16250, 16380, 16800, 17472, 17500, 18000, 18200, 18720, 18750, 19500, 20000, 20160, 20475, 20800, 21000, 21840, 21875, 22500, 22750, 23400, 24000, 24375, 25000, 25200, 26000, 26208, 26250, 27300, 28000, 28125, 29120, 29250, 30000, 31200, 31250, 31500, 32500, 32760, 33600, 34125, 35000, 36000, 36400, 37440, 37500, 39000, 39375, 40000, 40625, 40950, 42000, 43680, 43750, 45000, 45500, 46800, 46875, 48750, 50000, 50400, 52000, 52416, 52500, 54600, 56000, 56250, 56875, 58500, 60000, 62400, 62500, 63000, 65000, 65520, 65625, 68250, 70000, 72000, 72800, 73125, 75000, 78000, 78125, 78750, 81250, 81900, 84000, 87360, 87500, 90000, 91000, 93600, 93750, 97500, 100000, 100800, 102375, 104000, 105000, 109200, 109375, 112500, 113750, 117000, 120000, 121875, 125000, 126000, 130000, 131040, 131250, 136500, 140000, 140625, 145600, 146250, 150000, 156000, 156250, 157500, 162500, 163800, 168000, 170625, 175000, 180000, 182000, 187200, 187500, 195000, 196875, 200000, 203125, 204750, 210000, 218400, 218750, 225000, 227500, 234000, 234375, 243750, 250000, 252000, 260000, 262080, 262500, 273000, 280000, 281250, 284375, 292500, 300000, 312000, 312500, 315000, 325000, 327600, 328125, 341250, 350000, 360000, 364000, 365625, 375000, 390000, 390625, 393750, 406250, 409500, 420000, 436800, 437500, 450000, 455000, 468000, 468750, 487500, 500000, 504000, 511875, 520000, 525000, 546000, 546875, 562500, 568750, 585000, 600000, 609375, 625000, 630000, 650000, 655200, 656250, 682500, 700000, 703125, 728000, 731250, 750000, 780000, 781250, 787500, 812500, 819000, 840000, 853125, 875000, 900000, 910000, 936000, 937500, 975000, 984375, 1000000, 1015625, 1023750, 1050000, 1092000, 1093750, 1125000, 1137500, 1170000, 1171875, 1218750, 1250000, 1260000, 1300000, 1310400, 1312500, 1365000, 1400000, 1406250, 1421875, 1462500, 1500000, 1560000, 1562500, 1575000, 1625000, 1638000, 1640625, 1706250, 1750000, 1800000, 1820000, 1828125, 1875000, 1950000, 1968750, 2031250, 2047500, 2100000, 2184000, 2187500, 2250000, 2275000, 2340000, 2343750, 2437500, 2500000, 2520000, 2559375, 2600000, 2625000, 2730000, 2734375, 2812500, 2843750, 2925000, 3000000, 3046875, 3125000, 3150000, 3250000, 3276000, 3281250, 3412500, 3500000, 3515625, 3640000, 3656250, 3750000, 3900000, 3937500, 4062500, 4095000, 4200000, 4265625, 4375000, 4500000, 4550000, 4680000, 4687500, 4875000, 4921875, 5000000, 5078125, 5118750, 5250000, 5460000, 5468750, 5625000, 5687500, 5850000, 6093750, 6250000, 6300000, 6500000, 6552000, 6562500, 6825000, 7000000, 7031250, 7109375, 7312500, 7500000, 7800000, 7875000, 8125000, 8190000, 8203125, 8531250, 8750000, 9000000, 9100000, 9140625, 9375000, 9750000, 9843750, 10156250, 10237500, 10500000, 10920000, 10937500, 11250000, 11375000, 11700000, 12187500, 12500000, 12600000, 12796875, 13000000, 13125000, 13650000, 14062500, 14218750, 14625000, 15000000, 15234375, 15750000, 16250000, 16380000, 16406250, 17062500, 17500000, 18200000, 18281250, 18750000, 19500000, 19687500, 20312500, 20475000, 21000000, 21328125, 21875000, 22500000, 22750000, 23400000, 24375000, 24609375, 25000000, 25593750, 26250000, 27300000, 28125000, 28437500, 29250000, 30468750, 31500000, 32500000, 32760000, 32812500, 34125000, 35000000, 35546875, 36562500, 37500000, 39000000, 39375000, 40625000, 40950000, 42656250, 43750000, 45000000, 45500000, 45703125, 48750000, 49218750, 51187500, 52500000, 54600000, 56250000, 56875000, 58500000, 60937500, 63000000, 63984375, 65000000, 65625000, 68250000, 71093750, 73125000, 75000000, 78750000, 81250000, 81900000, 85312500, 87500000, 91000000, 91406250, 97500000, 98437500, 102375000, 105000000, 106640625, 112500000, 113750000, 117000000, 121875000, 127968750, 131250000, 136500000, 142187500, 146250000, 157500000, 162500000, 163800000, 170625000, 175000000, 182812500, 195000000, 196875000, 204750000, 213281250, 225000000, 227500000, 243750000, 255937500, 262500000, 273000000, 284375000, 292500000, 315000000, 319921875, 325000000, 341250000, 365625000, 393750000, 409500000, 426562500, 455000000, 487500000, 511875000, 525000000, 568750000, 585000000, 639843750, 682500000, 731250000, 787500000, 819000000, 853125000, 975000000, 1023750000, 1137500000, 1279687500, 1365000000, 1462500000, 1575000000, 1706250000, 2047500000, 2275000000, 2559375000, 2925000000, 3412500000, 4095000000, 5118750000, 6825000000, 10237500000, 20475000000]

約数ペア:

[(1, 20475000000), (2, 10237500000), (3, 6825000000), (4, 5118750000), (5, 4095000000), (6, 3412500000), (7, 2925000000), (8, 2559375000), (9, 2275000000), (10, 2047500000), (12, 1706250000), (13, 1575000000), (14, 1462500000), (15, 1365000000), (16, 1279687500), (18, 1137500000), (20, 1023750000), (21, 975000000), (24, 853125000), (25, 819000000), (26, 787500000), (28, 731250000), (30, 682500000), (32, 639843750), (35, 585000000), (36, 568750000), (39, 525000000), (40, 511875000), (42, 487500000), (45, 455000000), (48, 426562500), (50, 409500000), (52, 393750000), (56, 365625000), (60, 341250000), (63, 325000000), (64, 319921875), (65, 315000000), (70, 292500000), (72, 284375000), (75, 273000000), (78, 262500000), (80, 255937500), (84, 243750000), (90, 227500000), (91, 225000000), (96, 213281250), (100, 204750000), (104, 196875000), (105, 195000000), (112, 182812500), (117, 175000000), (120, 170625000), (125, 163800000), (126, 162500000), (130, 157500000), (140, 146250000), (144, 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(2600, 7875000), (2625, 7800000), (2730, 7500000), (2800, 7312500), (2880, 7109375), (2912, 7031250), (2925, 7000000), (3000, 6825000), (3120, 6562500), (3125, 6552000), (3150, 6500000), (3250, 6300000), (3276, 6250000), (3360, 6093750), (3500, 5850000), (3600, 5687500), (3640, 5625000), (3744, 5468750), (3750, 5460000), (3900, 5250000), (4000, 5118750), (4032, 5078125), (4095, 5000000), (4160, 4921875), (4200, 4875000), (4368, 4687500), (4375, 4680000), (4500, 4550000), (4550, 4500000), (4680, 4375000), (4800, 4265625), (4875, 4200000), (5000, 4095000), (5040, 4062500), (5200, 3937500), (5250, 3900000), (5460, 3750000), (5600, 3656250), (5625, 3640000), (5824, 3515625), (5850, 3500000), (6000, 3412500), (6240, 3281250), (6250, 3276000), (6300, 3250000), (6500, 3150000), (6552, 3125000), (6720, 3046875), (6825, 3000000), (7000, 2925000), (7200, 2843750), (7280, 2812500), (7488, 2734375), (7500, 2730000), (7800, 2625000), (7875, 2600000), (8000, 2559375), (8125, 2520000), (8190, 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