20437200

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{811}}^1$

素因数の和:842

約数の個数: 180

約数和(自身を含む): 81154528

約数和(自身を除く): 60717328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 811, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1622, 1680, 1800, 2100, 2433, 2520, 2800, 3150, 3244, 3600, 4055, 4200, 4866, 5040, 5677, 6300, 6488, 7299, 8110, 8400, 9732, 11354, 12165, 12600, 12976, 14598, 16220, 17031, 19464, 20275, 22708, 24330, 25200, 28385, 29196, 32440, 34062, 36495, 38928, 40550, 45416, 48660, 51093, 56770, 58392, 60825, 64880, 68124, 72990, 81100, 85155, 90832, 97320, 102186, 113540, 116784, 121650, 136248, 141925, 145980, 162200, 170310, 182475, 194640, 204372, 227080, 243300, 255465, 272496, 283850, 291960, 324400, 340620, 364950, 408744, 425775, 454160, 486600, 510930, 567700, 583920, 681240, 729900, 817488, 851550, 973200, 1021860, 1135400, 1277325, 1362480, 1459800, 1703100, 2043720, 2270800, 2554650, 2919600, 3406200, 4087440, 5109300, 6812400, 10218600, 20437200]

約数ペア:

[(1, 20437200), (2, 10218600), (3, 6812400), (4, 5109300), (5, 4087440), (6, 3406200), (7, 2919600), (8, 2554650), (9, 2270800), (10, 2043720), (12, 1703100), (14, 1459800), (15, 1362480), (16, 1277325), (18, 1135400), (20, 1021860), (21, 973200), (24, 851550), (25, 817488), (28, 729900), (30, 681240), (35, 583920), (36, 567700), (40, 510930), (42, 486600), (45, 454160), (48, 425775), (50, 408744), (56, 364950), (60, 340620), (63, 324400), (70, 291960), (72, 283850), (75, 272496), (80, 255465), (84, 243300), (90, 227080), (100, 204372), (105, 194640), (112, 182475), (120, 170310), (126, 162200), (140, 145980), (144, 141925), (150, 136248), (168, 121650), (175, 116784), (180, 113540), (200, 102186), (210, 97320), (225, 90832), (240, 85155), (252, 81100), (280, 72990), (300, 68124), (315, 64880), (336, 60825), (350, 58392), (360, 56770), (400, 51093), (420, 48660), (450, 45416), (504, 40550), (525, 38928), (560, 36495), (600, 34062), (630, 32440), (700, 29196), (720, 28385), (811, 25200), (840, 24330), (900, 22708), (1008, 20275), (1050, 19464), (1200, 17031), (1260, 16220), (1400, 14598), (1575, 12976), (1622, 12600), (1680, 12165), (1800, 11354), (2100, 9732), (2433, 8400), (2520, 8110), (2800, 7299), (3150, 6488), (3244, 6300), (3600, 5677), (4055, 5040), (4200, 4866)]