20468045648560

素因数分解:

$2^4\times 5^1\times {\mathrm{255850570607}}^1$

素因数の和:255850570620

約数の個数: 20

約数和(自身を含む): 47588206133088

約数和(自身を除く): 27120160484528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 255850570607, 511701141214, 1023402282428, 1279252853035, 2046804564856, 2558505706070, 4093609129712, 5117011412140, 10234022824280, 20468045648560]

約数ペア:

[(1, 20468045648560), (2, 10234022824280), (4, 5117011412140), (5, 4093609129712), (8, 2558505706070), (10, 2046804564856), (16, 1279252853035), (20, 1023402282428), (40, 511701141214), (80, 255850570607)]