20518795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1933}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 27014112

約数和(自身を除く): 6495317

約数列:

[1, 5, 11, 55, 193, 965, 1933, 2123, 9665, 10615, 21263, 106315, 373069, 1865345, 4103759, 20518795]

約数ペア:

[(1, 20518795), (5, 4103759), (11, 1865345), (55, 373069), (193, 106315), (965, 21263), (1933, 10615), (2123, 9665)]