20202556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19963}}^1$

素因数の和:20001

約数の個数: 24

約数和(自身を含む): 40247424

約数和(自身を除く): 20044868

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19963, 39926, 79852, 219593, 439186, 459149, 878372, 918298, 1836596, 5050639, 10101278, 20202556]

約数ペア:

[(1, 20202556), (2, 10101278), (4, 5050639), (11, 1836596), (22, 918298), (23, 878372), (44, 459149), (46, 439186), (92, 219593), (253, 79852), (506, 39926), (1012, 19963)]