2020122855

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{404429}}^1$

素因数の和:404480

約数の個数: 32

約数和(自身を含む): 3688401600

約数和(自身を除く): 1668278745

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 404429, 1213287, 2022145, 3639861, 6066435, 10919583, 14963873, 18199305, 44891619, 54597915, 74819365, 134674857, 224458095, 404024571, 673374285, 2020122855]

約数ペア:

[(1, 2020122855), (3, 673374285), (5, 404024571), (9, 224458095), (15, 134674857), (27, 74819365), (37, 54597915), (45, 44891619), (111, 18199305), (135, 14963873), (185, 10919583), (333, 6066435), (555, 3639861), (999, 2022145), (1665, 1213287), (4995, 404429)]