20419685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28559}}^1$

素因数の和:28588

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 8368795

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28559, 142795, 314149, 371267, 1570745, 1856335, 4083937, 20419685]

約数ペア:

[(1, 20419685), (5, 4083937), (11, 1856335), (13, 1570745), (55, 371267), (65, 314149), (143, 142795), (715, 28559)]