20202000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:83

約数の個数: 320

約数和(自身を含む): 82328064

約数和(自身を除く): 62126064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 25, 26, 28, 30, 35, 37, 39, 40, 42, 48, 50, 52, 56, 60, 65, 70, 74, 75, 78, 80, 84, 91, 100, 104, 105, 111, 112, 120, 125, 130, 140, 148, 150, 156, 168, 175, 182, 185, 195, 200, 208, 210, 222, 240, 250, 259, 260, 273, 280, 296, 300, 312, 325, 336, 350, 364, 370, 375, 390, 400, 420, 444, 455, 481, 500, 518, 520, 525, 546, 555, 560, 592, 600, 624, 650, 700, 728, 740, 750, 777, 780, 840, 875, 888, 910, 925, 962, 975, 1000, 1036, 1040, 1050, 1092, 1110, 1200, 1295, 1300, 1365, 1400, 1443, 1456, 1480, 1500, 1554, 1560, 1625, 1680, 1750, 1776, 1820, 1850, 1924, 1950, 2000, 2072, 2100, 2184, 2220, 2275, 2405, 2590, 2600, 2625, 2730, 2775, 2800, 2886, 2960, 3000, 3108, 3120, 3250, 3367, 3500, 3640, 3700, 3848, 3885, 3900, 4144, 4200, 4368, 4440, 4550, 4625, 4810, 4875, 5180, 5200, 5250, 5460, 5550, 5772, 6000, 6216, 6475, 6500, 6734, 6825, 7000, 7215, 7280, 7400, 7696, 7770, 7800, 8400, 8880, 9100, 9250, 9620, 9750, 10101, 10360, 10500, 10920, 11100, 11375, 11544, 12025, 12432, 12950, 13000, 13468, 13650, 13875, 14000, 14430, 14800, 15540, 15600, 16835, 18200, 18500, 19240, 19425, 19500, 20202, 20720, 21000, 21840, 22200, 22750, 23088, 24050, 25900, 26000, 26936, 27300, 27750, 28860, 31080, 32375, 33670, 34125, 36075, 36400, 37000, 38480, 38850, 39000, 40404, 42000, 44400, 45500, 48100, 50505, 51800, 53872, 54600, 55500, 57720, 60125, 62160, 64750, 67340, 68250, 72150, 74000, 77700, 78000, 80808, 84175, 91000, 96200, 97125, 101010, 103600, 109200, 111000, 115440, 120250, 129500, 134680, 136500, 144300, 155400, 161616, 168350, 180375, 182000, 192400, 194250, 202020, 222000, 240500, 252525, 259000, 269360, 273000, 288600, 310800, 336700, 360750, 388500, 404040, 420875, 481000, 505050, 518000, 546000, 577200, 673400, 721500, 777000, 808080, 841750, 962000, 1010100, 1262625, 1346800, 1443000, 1554000, 1683500, 2020200, 2525250, 2886000, 3367000, 4040400, 5050500, 6734000, 10101000, 20202000]

約数ペア:

[(1, 20202000), (2, 10101000), (3, 6734000), (4, 5050500), (5, 4040400), (6, 3367000), (7, 2886000), (8, 2525250), (10, 2020200), (12, 1683500), (13, 1554000), (14, 1443000), (15, 1346800), (16, 1262625), (20, 1010100), (21, 962000), (24, 841750), (25, 808080), (26, 777000), (28, 721500), (30, 673400), (35, 577200), (37, 546000), (39, 518000), (40, 505050), (42, 481000), (48, 420875), (50, 404040), (52, 388500), (56, 360750), (60, 336700), (65, 310800), (70, 288600), (74, 273000), (75, 269360), (78, 259000), (80, 252525), (84, 240500), (91, 222000), (100, 202020), (104, 194250), (105, 192400), (111, 182000), (112, 180375), (120, 168350), (125, 161616), (130, 155400), (140, 144300), (148, 136500), (150, 134680), (156, 129500), (168, 120250), (175, 115440), (182, 111000), (185, 109200), (195, 103600), (200, 101010), (208, 97125), (210, 96200), (222, 91000), (240, 84175), (250, 80808), (259, 78000), (260, 77700), (273, 74000), (280, 72150), (296, 68250), (300, 67340), (312, 64750), (325, 62160), (336, 60125), (350, 57720), (364, 55500), (370, 54600), (375, 53872), (390, 51800), (400, 50505), (420, 48100), (444, 45500), (455, 44400), (481, 42000), (500, 40404), (518, 39000), (520, 38850), (525, 38480), (546, 37000), (555, 36400), (560, 36075), (592, 34125), (600, 33670), (624, 32375), (650, 31080), (700, 28860), (728, 27750), (740, 27300), (750, 26936), (777, 26000), (780, 25900), (840, 24050), (875, 23088), (888, 22750), (910, 22200), (925, 21840), (962, 21000), (975, 20720), (1000, 20202), (1036, 19500), (1040, 19425), (1050, 19240), (1092, 18500), (1110, 18200), (1200, 16835), (1295, 15600), (1300, 15540), (1365, 14800), (1400, 14430), (1443, 14000), (1456, 13875), (1480, 13650), (1500, 13468), (1554, 13000), (1560, 12950), (1625, 12432), (1680, 12025), (1750, 11544), (1776, 11375), (1820, 11100), (1850, 10920), (1924, 10500), (1950, 10360), (2000, 10101), (2072, 9750), (2100, 9620), (2184, 9250), (2220, 9100), (2275, 8880), (2405, 8400), (2590, 7800), (2600, 7770), (2625, 7696), (2730, 7400), (2775, 7280), (2800, 7215), (2886, 7000), (2960, 6825), (3000, 6734), (3108, 6500), (3120, 6475), (3250, 6216), (3367, 6000), (3500, 5772), (3640, 5550), (3700, 5460), (3848, 5250), (3885, 5200), (3900, 5180), (4144, 4875), (4200, 4810), (4368, 4625), (4440, 4550)]