20457078

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2228

約数の個数: 32

約数和(自身を含む): 43017216

約数和(自身を除く): 22560138

約数列:

[1, 2, 3, 6, 37, 43, 74, 86, 111, 129, 222, 258, 1591, 2143, 3182, 4286, 4773, 6429, 9546, 12858, 79291, 92149, 158582, 184298, 237873, 276447, 475746, 552894, 3409513, 6819026, 10228539, 20457078]

約数ペア:

[(1, 20457078), (2, 10228539), (3, 6819026), (6, 3409513), (37, 552894), (43, 475746), (74, 276447), (86, 237873), (111, 184298), (129, 158582), (222, 92149), (258, 79291), (1591, 12858), (2143, 9546), (3182, 6429), (4286, 4773)]