20928600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1$

素因数の和:191

約数の個数: 288

約数和(自身を含む): 88208640

約数和(自身を除く): 67280040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 25, 28, 30, 33, 35, 36, 40, 42, 44, 45, 50, 55, 56, 60, 63, 66, 70, 72, 75, 77, 84, 88, 90, 99, 100, 105, 110, 120, 126, 132, 140, 150, 151, 154, 165, 168, 175, 180, 198, 200, 210, 220, 225, 231, 252, 264, 275, 280, 300, 302, 308, 315, 330, 350, 360, 385, 396, 420, 440, 450, 453, 462, 495, 504, 525, 550, 600, 604, 616, 630, 660, 693, 700, 755, 770, 792, 825, 840, 900, 906, 924, 990, 1050, 1057, 1100, 1155, 1208, 1260, 1320, 1359, 1386, 1400, 1510, 1540, 1575, 1650, 1661, 1800, 1812, 1848, 1925, 1980, 2100, 2114, 2200, 2265, 2310, 2475, 2520, 2718, 2772, 3020, 3080, 3150, 3171, 3300, 3322, 3465, 3624, 3775, 3850, 3960, 4200, 4228, 4530, 4620, 4950, 4983, 5285, 5436, 5544, 5775, 6040, 6300, 6342, 6600, 6644, 6795, 6930, 7550, 7700, 8305, 8456, 9060, 9240, 9513, 9900, 9966, 10570, 10872, 11325, 11550, 11627, 12600, 12684, 13288, 13590, 13860, 14949, 15100, 15400, 15855, 16610, 17325, 18120, 19026, 19800, 19932, 21140, 22650, 23100, 23254, 24915, 25368, 26425, 27180, 27720, 29898, 30200, 31710, 33220, 33975, 34650, 34881, 38052, 39864, 41525, 42280, 45300, 46200, 46508, 47565, 49830, 52850, 54360, 58135, 59796, 63420, 66440, 67950, 69300, 69762, 74745, 76104, 79275, 83050, 90600, 93016, 95130, 99660, 104643, 105700, 116270, 119592, 124575, 126840, 135900, 138600, 139524, 149490, 158550, 166100, 174405, 190260, 199320, 209286, 211400, 232540, 237825, 249150, 271800, 279048, 290675, 298980, 317100, 332200, 348810, 373725, 380520, 418572, 465080, 475650, 498300, 523215, 581350, 597960, 634200, 697620, 747450, 837144, 872025, 951300, 996600, 1046430, 1162700, 1395240, 1494900, 1744050, 1902600, 2092860, 2325400, 2616075, 2989800, 3488100, 4185720, 5232150, 6976200, 10464300, 20928600]

約数ペア:

[(1, 20928600), (2, 10464300), (3, 6976200), (4, 5232150), (5, 4185720), (6, 3488100), (7, 2989800), (8, 2616075), (9, 2325400), (10, 2092860), (11, 1902600), (12, 1744050), (14, 1494900), (15, 1395240), (18, 1162700), (20, 1046430), (21, 996600), (22, 951300), (24, 872025), (25, 837144), (28, 747450), (30, 697620), (33, 634200), (35, 597960), (36, 581350), (40, 523215), (42, 498300), (44, 475650), (45, 465080), (50, 418572), (55, 380520), (56, 373725), (60, 348810), (63, 332200), (66, 317100), (70, 298980), (72, 290675), (75, 279048), (77, 271800), (84, 249150), (88, 237825), (90, 232540), (99, 211400), (100, 209286), (105, 199320), (110, 190260), (120, 174405), (126, 166100), (132, 158550), (140, 149490), (150, 139524), (151, 138600), (154, 135900), (165, 126840), (168, 124575), (175, 119592), (180, 116270), (198, 105700), (200, 104643), (210, 99660), (220, 95130), (225, 93016), (231, 90600), (252, 83050), (264, 79275), (275, 76104), (280, 74745), (300, 69762), (302, 69300), (308, 67950), (315, 66440), (330, 63420), (350, 59796), (360, 58135), (385, 54360), (396, 52850), (420, 49830), (440, 47565), (450, 46508), (453, 46200), (462, 45300), (495, 42280), (504, 41525), (525, 39864), (550, 38052), (600, 34881), (604, 34650), (616, 33975), (630, 33220), (660, 31710), (693, 30200), (700, 29898), (755, 27720), (770, 27180), (792, 26425), (825, 25368), (840, 24915), (900, 23254), (906, 23100), (924, 22650), (990, 21140), (1050, 19932), (1057, 19800), (1100, 19026), (1155, 18120), (1208, 17325), (1260, 16610), (1320, 15855), (1359, 15400), (1386, 15100), (1400, 14949), (1510, 13860), (1540, 13590), (1575, 13288), (1650, 12684), (1661, 12600), (1800, 11627), (1812, 11550), (1848, 11325), (1925, 10872), (1980, 10570), (2100, 9966), (2114, 9900), (2200, 9513), (2265, 9240), (2310, 9060), (2475, 8456), (2520, 8305), (2718, 7700), (2772, 7550), (3020, 6930), (3080, 6795), (3150, 6644), (3171, 6600), (3300, 6342), (3322, 6300), (3465, 6040), (3624, 5775), (3775, 5544), (3850, 5436), (3960, 5285), (4200, 4983), (4228, 4950), (4530, 4620)]