20728600

素因数分解:

$2^3\times 5^2\times {\mathrm{103643}}^1$

素因数の和:103659

約数の個数: 24

約数和(自身を含む): 48194460

約数和(自身を除く): 27465860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 103643, 207286, 414572, 518215, 829144, 1036430, 2072860, 2591075, 4145720, 5182150, 10364300, 20728600]

約数ペア:

[(1, 20728600), (2, 10364300), (4, 5182150), (5, 4145720), (8, 2591075), (10, 2072860), (20, 1036430), (25, 829144), (40, 518215), (50, 414572), (100, 207286), (200, 103643)]