20712000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{863}}^1$

素因数の和:893

約数の個数: 112

約数和(自身を含む): 68470272

約数和(自身を除く): 47758272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 125, 150, 160, 192, 200, 240, 250, 300, 320, 375, 400, 480, 500, 600, 750, 800, 863, 960, 1000, 1200, 1500, 1600, 1726, 2000, 2400, 2589, 3000, 3452, 4000, 4315, 4800, 5178, 6000, 6904, 8000, 8630, 10356, 12000, 12945, 13808, 17260, 20712, 21575, 24000, 25890, 27616, 34520, 41424, 43150, 51780, 55232, 64725, 69040, 82848, 86300, 103560, 107875, 129450, 138080, 165696, 172600, 207120, 215750, 258900, 276160, 323625, 345200, 414240, 431500, 517800, 647250, 690400, 828480, 863000, 1035600, 1294500, 1380800, 1726000, 2071200, 2589000, 3452000, 4142400, 5178000, 6904000, 10356000, 20712000]

約数ペア:

[(1, 20712000), (2, 10356000), (3, 6904000), (4, 5178000), (5, 4142400), (6, 3452000), (8, 2589000), (10, 2071200), (12, 1726000), (15, 1380800), (16, 1294500), (20, 1035600), (24, 863000), (25, 828480), (30, 690400), (32, 647250), (40, 517800), (48, 431500), (50, 414240), (60, 345200), (64, 323625), (75, 276160), (80, 258900), (96, 215750), (100, 207120), (120, 172600), (125, 165696), (150, 138080), (160, 129450), (192, 107875), (200, 103560), (240, 86300), (250, 82848), (300, 69040), (320, 64725), (375, 55232), (400, 51780), (480, 43150), (500, 41424), (600, 34520), (750, 27616), (800, 25890), (863, 24000), (960, 21575), (1000, 20712), (1200, 17260), (1500, 13808), (1600, 12945), (1726, 12000), (2000, 10356), (2400, 8630), (2589, 8000), (3000, 6904), (3452, 6000), (4000, 5178), (4315, 4800)]