20098560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{2617}}^1$

素因数の和:2643

約数の個数: 80

約数和(自身を含む): 64277136

約数和(自身を除く): 44178576

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, 2617, 3840, 5234, 7680, 7851, 10468, 13085, 15702, 20936, 26170, 31404, 39255, 41872, 52340, 62808, 78510, 83744, 104680, 125616, 157020, 167488, 209360, 251232, 314040, 334976, 418720, 502464, 628080, 669952, 837440, 1004928, 1256160, 1339904, 1674880, 2009856, 2512320, 3349760, 4019712, 5024640, 6699520, 10049280, 20098560]

約数ペア:

[(1, 20098560), (2, 10049280), (3, 6699520), (4, 5024640), (5, 4019712), (6, 3349760), (8, 2512320), (10, 2009856), (12, 1674880), (15, 1339904), (16, 1256160), (20, 1004928), (24, 837440), (30, 669952), (32, 628080), (40, 502464), (48, 418720), (60, 334976), (64, 314040), (80, 251232), (96, 209360), (120, 167488), (128, 157020), (160, 125616), (192, 104680), (240, 83744), (256, 78510), (320, 62808), (384, 52340), (480, 41872), (512, 39255), (640, 31404), (768, 26170), (960, 20936), (1280, 15702), (1536, 13085), (1920, 10468), (2560, 7851), (2617, 7680), (3840, 5234)]