20353920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10601}}^1$

素因数の和:10623

約数の個数: 64

約数和(自身を含む): 64884240

約数和(自身を除く): 44530320

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, 320, 384, 480, 640, 960, 1920, 10601, 21202, 31803, 42404, 53005, 63606, 84808, 106010, 127212, 159015, 169616, 212020, 254424, 318030, 339232, 424040, 508848, 636060, 678464, 848080, 1017696, 1272120, 1356928, 1696160, 2035392, 2544240, 3392320, 4070784, 5088480, 6784640, 10176960, 20353920]

約数ペア:

[(1, 20353920), (2, 10176960), (3, 6784640), (4, 5088480), (5, 4070784), (6, 3392320), (8, 2544240), (10, 2035392), (12, 1696160), (15, 1356928), (16, 1272120), (20, 1017696), (24, 848080), (30, 678464), (32, 636060), (40, 508848), (48, 424040), (60, 339232), (64, 318030), (80, 254424), (96, 212020), (120, 169616), (128, 159015), (160, 127212), (192, 106010), (240, 84808), (320, 63606), (384, 53005), (480, 42404), (640, 31803), (960, 21202), (1920, 10601)]