20153800

素因数分解:

$2^3\times 5^2\times {\mathrm{100769}}^1$

素因数の和:100785

約数の個数: 24

約数和(自身を含む): 46858050

約数和(自身を除く): 26704250

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100769, 201538, 403076, 503845, 806152, 1007690, 2015380, 2519225, 4030760, 5038450, 10076900, 20153800]

約数ペア:

[(1, 20153800), (2, 10076900), (4, 5038450), (5, 4030760), (8, 2519225), (10, 2015380), (20, 1007690), (25, 806152), (40, 503845), (50, 403076), (100, 201538), (200, 100769)]