20559000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 256

約数和(自身を含む): 80870400

約数和(自身を除く): 60311400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 25, 28, 30, 33, 35, 40, 42, 44, 50, 55, 56, 60, 66, 70, 75, 77, 84, 88, 89, 100, 105, 110, 120, 125, 132, 140, 150, 154, 165, 168, 175, 178, 200, 210, 220, 231, 250, 264, 267, 275, 280, 300, 308, 330, 350, 356, 375, 385, 420, 440, 445, 462, 500, 525, 534, 550, 600, 616, 623, 660, 700, 712, 750, 770, 825, 840, 875, 890, 924, 979, 1000, 1050, 1068, 1100, 1155, 1246, 1320, 1335, 1375, 1400, 1500, 1540, 1650, 1750, 1780, 1848, 1869, 1925, 1958, 2100, 2136, 2200, 2225, 2310, 2492, 2625, 2670, 2750, 2937, 3000, 3080, 3115, 3300, 3500, 3560, 3738, 3850, 3916, 4125, 4200, 4450, 4620, 4895, 4984, 5250, 5340, 5500, 5775, 5874, 6230, 6600, 6675, 6853, 7000, 7476, 7700, 7832, 8250, 8900, 9240, 9345, 9625, 9790, 10500, 10680, 11000, 11125, 11550, 11748, 12460, 13350, 13706, 14685, 14952, 15400, 15575, 16500, 17800, 18690, 19250, 19580, 20559, 21000, 22250, 23100, 23496, 24475, 24920, 26700, 27412, 28875, 29370, 31150, 33000, 33375, 34265, 37380, 38500, 39160, 41118, 44500, 46200, 46725, 48950, 53400, 54824, 57750, 58740, 62300, 66750, 68530, 73425, 74760, 77000, 77875, 82236, 89000, 93450, 97900, 102795, 115500, 117480, 122375, 124600, 133500, 137060, 146850, 155750, 164472, 171325, 186900, 195800, 205590, 231000, 233625, 244750, 267000, 274120, 293700, 311500, 342650, 367125, 373800, 411180, 467250, 489500, 513975, 587400, 623000, 685300, 734250, 822360, 856625, 934500, 979000, 1027950, 1370600, 1468500, 1713250, 1869000, 2055900, 2569875, 2937000, 3426500, 4111800, 5139750, 6853000, 10279500, 20559000]

約数ペア:

[(1, 20559000), (2, 10279500), (3, 6853000), (4, 5139750), (5, 4111800), (6, 3426500), (7, 2937000), (8, 2569875), (10, 2055900), (11, 1869000), (12, 1713250), (14, 1468500), (15, 1370600), (20, 1027950), (21, 979000), (22, 934500), (24, 856625), (25, 822360), (28, 734250), (30, 685300), (33, 623000), (35, 587400), (40, 513975), (42, 489500), (44, 467250), (50, 411180), (55, 373800), (56, 367125), (60, 342650), (66, 311500), (70, 293700), (75, 274120), (77, 267000), (84, 244750), (88, 233625), (89, 231000), (100, 205590), (105, 195800), (110, 186900), (120, 171325), (125, 164472), (132, 155750), (140, 146850), (150, 137060), (154, 133500), (165, 124600), (168, 122375), (175, 117480), (178, 115500), (200, 102795), (210, 97900), (220, 93450), (231, 89000), (250, 82236), (264, 77875), (267, 77000), (275, 74760), (280, 73425), (300, 68530), (308, 66750), (330, 62300), (350, 58740), (356, 57750), (375, 54824), (385, 53400), (420, 48950), (440, 46725), (445, 46200), (462, 44500), (500, 41118), (525, 39160), (534, 38500), (550, 37380), (600, 34265), (616, 33375), (623, 33000), (660, 31150), (700, 29370), (712, 28875), (750, 27412), (770, 26700), (825, 24920), (840, 24475), (875, 23496), (890, 23100), (924, 22250), (979, 21000), (1000, 20559), (1050, 19580), (1068, 19250), (1100, 18690), (1155, 17800), (1246, 16500), (1320, 15575), (1335, 15400), (1375, 14952), (1400, 14685), (1500, 13706), (1540, 13350), (1650, 12460), (1750, 11748), (1780, 11550), (1848, 11125), (1869, 11000), (1925, 10680), (1958, 10500), (2100, 9790), (2136, 9625), (2200, 9345), (2225, 9240), (2310, 8900), (2492, 8250), (2625, 7832), (2670, 7700), (2750, 7476), (2937, 7000), (3000, 6853), (3080, 6675), (3115, 6600), (3300, 6230), (3500, 5874), (3560, 5775), (3738, 5500), (3850, 5340), (3916, 5250), (4125, 4984), (4200, 4895), (4450, 4620)]