20562280

素因数分解:

$2^3\times 5^1\times {\mathrm{514057}}^1$

素因数の和:514068

約数の個数: 16

約数和(自身を含む): 46265220

約数和(自身を除く): 25702940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 514057, 1028114, 2056228, 2570285, 4112456, 5140570, 10281140, 20562280]

約数ペア:

[(1, 20562280), (2, 10281140), (4, 5140570), (5, 4112456), (8, 2570285), (10, 2056228), (20, 1028114), (40, 514057)]