20198400

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{263}}^1$

素因数の和:296

約数の個数: 132

約数和(自身を含む): 67010592

約数和(自身を除く): 46812192

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, 128, 150, 160, 192, 200, 240, 256, 263, 300, 320, 384, 400, 480, 512, 526, 600, 640, 768, 789, 800, 960, 1024, 1052, 1200, 1280, 1315, 1536, 1578, 1600, 1920, 2104, 2400, 2560, 2630, 3072, 3156, 3200, 3840, 3945, 4208, 4800, 5120, 5260, 6312, 6400, 6575, 7680, 7890, 8416, 9600, 10520, 12624, 12800, 13150, 15360, 15780, 16832, 19200, 19725, 21040, 25248, 25600, 26300, 31560, 33664, 38400, 39450, 42080, 50496, 52600, 63120, 67328, 76800, 78900, 84160, 100992, 105200, 126240, 134656, 157800, 168320, 201984, 210400, 252480, 269312, 315600, 336640, 403968, 420800, 504960, 631200, 673280, 807936, 841600, 1009920, 1262400, 1346560, 1683200, 2019840, 2524800, 3366400, 4039680, 5049600, 6732800, 10099200, 20198400]

約数ペア:

[(1, 20198400), (2, 10099200), (3, 6732800), (4, 5049600), (5, 4039680), (6, 3366400), (8, 2524800), (10, 2019840), (12, 1683200), (15, 1346560), (16, 1262400), (20, 1009920), (24, 841600), (25, 807936), (30, 673280), (32, 631200), (40, 504960), (48, 420800), (50, 403968), (60, 336640), (64, 315600), (75, 269312), (80, 252480), (96, 210400), (100, 201984), (120, 168320), (128, 157800), (150, 134656), (160, 126240), (192, 105200), (200, 100992), (240, 84160), (256, 78900), (263, 76800), (300, 67328), (320, 63120), (384, 52600), (400, 50496), (480, 42080), (512, 39450), (526, 38400), (600, 33664), (640, 31560), (768, 26300), (789, 25600), (800, 25248), (960, 21040), (1024, 19725), (1052, 19200), (1200, 16832), (1280, 15780), (1315, 15360), (1536, 13150), (1578, 12800), (1600, 12624), (1920, 10520), (2104, 9600), (2400, 8416), (2560, 7890), (2630, 7680), (3072, 6575), (3156, 6400), (3200, 6312), (3840, 5260), (3945, 5120), (4208, 4800)]