20037120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2609}}^1$

素因数の和:2635

約数の個数: 80

約数和(自身を含む): 64080720

約数和(自身を除く): 44043600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 2609, 3840, 5218, 7680, 7827, 10436, 13045, 15654, 20872, 26090, 31308, 39135, 41744, 52180, 62616, 78270, 83488, 104360, 125232, 156540, 166976, 208720, 250464, 313080, 333952, 417440, 500928, 626160, 667904, 834880, 1001856, 1252320, 1335808, 1669760, 2003712, 2504640, 3339520, 4007424, 5009280, 6679040, 10018560, 20037120]

約数ペア:

[(1, 20037120), (2, 10018560), (3, 6679040), (4, 5009280), (5, 4007424), (6, 3339520), (8, 2504640), (10, 2003712), (12, 1669760), (15, 1335808), (16, 1252320), (20, 1001856), (24, 834880), (30, 667904), (32, 626160), (40, 500928), (48, 417440), (60, 333952), (64, 313080), (80, 250464), (96, 208720), (120, 166976), (128, 156540), (160, 125232), (192, 104360), (240, 83488), (256, 78270), (320, 62616), (384, 52180), (480, 41744), (512, 39135), (640, 31308), (768, 26090), (960, 20872), (1280, 15654), (1536, 13045), (1920, 10436), (2560, 7827), (2609, 7680), (3840, 5218)]