20443500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1$

素因数の和:102

約数の個数: 288

約数和(自身を含む): 81768960

約数和(自身を除く): 61325460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 59, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 118, 125, 126, 132, 140, 150, 154, 165, 175, 177, 180, 198, 210, 220, 225, 231, 236, 250, 252, 275, 295, 300, 308, 315, 330, 350, 354, 375, 385, 396, 413, 420, 450, 462, 495, 500, 525, 531, 550, 590, 630, 649, 660, 693, 700, 708, 750, 770, 825, 826, 875, 885, 900, 924, 990, 1050, 1062, 1100, 1125, 1155, 1180, 1239, 1260, 1298, 1375, 1386, 1475, 1500, 1540, 1575, 1650, 1652, 1750, 1770, 1925, 1947, 1980, 2065, 2100, 2124, 2250, 2310, 2475, 2478, 2596, 2625, 2655, 2750, 2772, 2950, 3150, 3245, 3300, 3465, 3500, 3540, 3717, 3850, 3894, 4125, 4130, 4425, 4500, 4543, 4620, 4950, 4956, 5250, 5310, 5500, 5775, 5841, 5900, 6195, 6300, 6490, 6930, 7375, 7434, 7700, 7788, 7875, 8250, 8260, 8850, 9086, 9625, 9735, 9900, 10325, 10500, 10620, 11550, 11682, 12375, 12390, 12980, 13275, 13629, 13860, 14750, 14868, 15750, 16225, 16500, 17325, 17700, 18172, 18585, 19250, 19470, 20650, 22125, 22715, 23100, 23364, 24750, 24780, 26550, 27258, 28875, 29205, 29500, 30975, 31500, 32450, 34650, 37170, 38500, 38940, 40887, 41300, 44250, 45430, 48675, 49500, 51625, 53100, 54516, 57750, 58410, 61950, 64900, 66375, 68145, 69300, 74340, 81125, 81774, 86625, 88500, 90860, 92925, 97350, 103250, 113575, 115500, 116820, 123900, 132750, 136290, 146025, 154875, 162250, 163548, 173250, 185850, 194700, 204435, 206500, 227150, 243375, 265500, 272580, 292050, 309750, 324500, 340725, 346500, 371700, 408870, 454300, 464625, 486750, 567875, 584100, 619500, 681450, 730125, 817740, 929250, 973500, 1022175, 1135750, 1362900, 1460250, 1703625, 1858500, 2044350, 2271500, 2920500, 3407250, 4088700, 5110875, 6814500, 10221750, 20443500]

約数ペア:

[(1, 20443500), (2, 10221750), (3, 6814500), (4, 5110875), (5, 4088700), (6, 3407250), (7, 2920500), (9, 2271500), (10, 2044350), (11, 1858500), (12, 1703625), (14, 1460250), (15, 1362900), (18, 1135750), (20, 1022175), (21, 973500), (22, 929250), (25, 817740), (28, 730125), (30, 681450), (33, 619500), (35, 584100), (36, 567875), (42, 486750), (44, 464625), (45, 454300), (50, 408870), (55, 371700), (59, 346500), (60, 340725), (63, 324500), (66, 309750), (70, 292050), (75, 272580), (77, 265500), (84, 243375), (90, 227150), (99, 206500), (100, 204435), (105, 194700), (110, 185850), (118, 173250), (125, 163548), (126, 162250), (132, 154875), (140, 146025), (150, 136290), (154, 132750), (165, 123900), (175, 116820), (177, 115500), (180, 113575), (198, 103250), (210, 97350), (220, 92925), (225, 90860), (231, 88500), (236, 86625), (250, 81774), (252, 81125), (275, 74340), (295, 69300), (300, 68145), (308, 66375), (315, 64900), (330, 61950), (350, 58410), (354, 57750), (375, 54516), (385, 53100), (396, 51625), (413, 49500), (420, 48675), (450, 45430), (462, 44250), (495, 41300), (500, 40887), (525, 38940), (531, 38500), (550, 37170), (590, 34650), (630, 32450), (649, 31500), (660, 30975), (693, 29500), (700, 29205), (708, 28875), (750, 27258), (770, 26550), (825, 24780), (826, 24750), (875, 23364), (885, 23100), (900, 22715), (924, 22125), (990, 20650), (1050, 19470), (1062, 19250), (1100, 18585), (1125, 18172), (1155, 17700), (1180, 17325), (1239, 16500), (1260, 16225), (1298, 15750), (1375, 14868), (1386, 14750), (1475, 13860), (1500, 13629), (1540, 13275), (1575, 12980), (1650, 12390), (1652, 12375), (1750, 11682), (1770, 11550), (1925, 10620), (1947, 10500), (1980, 10325), (2065, 9900), (2100, 9735), (2124, 9625), (2250, 9086), (2310, 8850), (2475, 8260), (2478, 8250), (2596, 7875), (2625, 7788), (2655, 7700), (2750, 7434), (2772, 7375), (2950, 6930), (3150, 6490), (3245, 6300), (3300, 6195), (3465, 5900), (3500, 5841), (3540, 5775), (3717, 5500), (3850, 5310), (3894, 5250), (4125, 4956), (4130, 4950), (4425, 4620), (4500, 4543)]