20753600

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 168

約数和(自身を含む): 62362080

約数和(自身を除く): 41608480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 64, 68, 70, 80, 85, 100, 109, 112, 119, 136, 140, 160, 170, 175, 200, 218, 224, 238, 272, 280, 320, 340, 350, 400, 425, 436, 448, 476, 544, 545, 560, 595, 680, 700, 763, 800, 850, 872, 952, 1088, 1090, 1120, 1190, 1360, 1400, 1526, 1600, 1700, 1744, 1853, 1904, 2180, 2240, 2380, 2720, 2725, 2800, 2975, 3052, 3400, 3488, 3706, 3808, 3815, 4360, 4760, 5440, 5450, 5600, 5950, 6104, 6800, 6976, 7412, 7616, 7630, 8720, 9265, 9520, 10900, 11200, 11900, 12208, 12971, 13600, 14824, 15260, 17440, 18530, 19040, 19075, 21800, 23800, 24416, 25942, 27200, 29648, 30520, 34880, 37060, 38080, 38150, 43600, 46325, 47600, 48832, 51884, 59296, 61040, 64855, 74120, 76300, 87200, 92650, 95200, 103768, 118592, 122080, 129710, 148240, 152600, 174400, 185300, 190400, 207536, 244160, 259420, 296480, 305200, 324275, 370600, 415072, 518840, 592960, 610400, 648550, 741200, 830144, 1037680, 1220800, 1297100, 1482400, 2075360, 2594200, 2964800, 4150720, 5188400, 10376800, 20753600]

約数ペア:

[(1, 20753600), (2, 10376800), (4, 5188400), (5, 4150720), (7, 2964800), (8, 2594200), (10, 2075360), (14, 1482400), (16, 1297100), (17, 1220800), (20, 1037680), (25, 830144), (28, 741200), (32, 648550), (34, 610400), (35, 592960), (40, 518840), (50, 415072), (56, 370600), (64, 324275), (68, 305200), (70, 296480), (80, 259420), (85, 244160), (100, 207536), (109, 190400), (112, 185300), (119, 174400), (136, 152600), (140, 148240), (160, 129710), (170, 122080), (175, 118592), (200, 103768), (218, 95200), (224, 92650), (238, 87200), (272, 76300), (280, 74120), (320, 64855), (340, 61040), (350, 59296), (400, 51884), (425, 48832), (436, 47600), (448, 46325), (476, 43600), (544, 38150), (545, 38080), (560, 37060), (595, 34880), (680, 30520), (700, 29648), (763, 27200), (800, 25942), (850, 24416), (872, 23800), (952, 21800), (1088, 19075), (1090, 19040), (1120, 18530), (1190, 17440), (1360, 15260), (1400, 14824), (1526, 13600), (1600, 12971), (1700, 12208), (1744, 11900), (1853, 11200), (1904, 10900), (2180, 9520), (2240, 9265), (2380, 8720), (2720, 7630), (2725, 7616), (2800, 7412), (2975, 6976), (3052, 6800), (3400, 6104), (3488, 5950), (3706, 5600), (3808, 5450), (3815, 5440), (4360, 4760)]