20807841604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{904217}}^1$

素因数の和:904755

約数の個数: 24

約数和(自身を含む): 39800059488

約数和(自身を除く): 18992217884

約数列:

[1, 2, 4, 11, 22, 44, 523, 1046, 2092, 5753, 11506, 23012, 904217, 1808434, 3616868, 9946387, 19892774, 39785548, 472905491, 945810982, 1891621964, 5201960401, 10403920802, 20807841604]

約数ペア:

[(1, 20807841604), (2, 10403920802), (4, 5201960401), (11, 1891621964), (22, 945810982), (44, 472905491), (523, 39785548), (1046, 19892774), (2092, 9946387), (5753, 3616868), (11506, 1808434), (23012, 904217)]