20546400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1223}}^1$

素因数の和:1253

約数の個数: 144

約数和(自身を含む): 76495104

約数和(自身を除く): 55948704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1223, 1400, 1680, 2100, 2400, 2446, 2800, 3360, 3669, 4200, 4892, 5600, 6115, 7338, 8400, 8561, 9784, 12230, 14676, 16800, 17122, 18345, 19568, 24460, 25683, 29352, 30575, 34244, 36690, 39136, 42805, 48920, 51366, 58704, 61150, 68488, 73380, 85610, 91725, 97840, 102732, 117408, 122300, 128415, 136976, 146760, 171220, 183450, 195680, 205464, 214025, 244600, 256830, 273952, 293520, 342440, 366900, 410928, 428050, 489200, 513660, 587040, 642075, 684880, 733800, 821856, 856100, 978400, 1027320, 1284150, 1369760, 1467600, 1712200, 2054640, 2568300, 2935200, 3424400, 4109280, 5136600, 6848800, 10273200, 20546400]

約数ペア:

[(1, 20546400), (2, 10273200), (3, 6848800), (4, 5136600), (5, 4109280), (6, 3424400), (7, 2935200), (8, 2568300), (10, 2054640), (12, 1712200), (14, 1467600), (15, 1369760), (16, 1284150), (20, 1027320), (21, 978400), (24, 856100), (25, 821856), (28, 733800), (30, 684880), (32, 642075), (35, 587040), (40, 513660), (42, 489200), (48, 428050), (50, 410928), (56, 366900), (60, 342440), (70, 293520), (75, 273952), (80, 256830), (84, 244600), (96, 214025), (100, 205464), (105, 195680), (112, 183450), (120, 171220), (140, 146760), (150, 136976), (160, 128415), (168, 122300), (175, 117408), (200, 102732), (210, 97840), (224, 91725), (240, 85610), (280, 73380), (300, 68488), (336, 61150), (350, 58704), (400, 51366), (420, 48920), (480, 42805), (525, 39136), (560, 36690), (600, 34244), (672, 30575), (700, 29352), (800, 25683), (840, 24460), (1050, 19568), (1120, 18345), (1200, 17122), (1223, 16800), (1400, 14676), (1680, 12230), (2100, 9784), (2400, 8561), (2446, 8400), (2800, 7338), (3360, 6115), (3669, 5600), (4200, 4892)]