20803508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1097}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 39844224

約数和(自身を除く): 19040716

約数列:

[1, 2, 4, 11, 22, 44, 431, 862, 1097, 1724, 2194, 4388, 4741, 9482, 12067, 18964, 24134, 48268, 472807, 945614, 1891228, 5200877, 10401754, 20803508]

約数ペア:

[(1, 20803508), (2, 10401754), (4, 5200877), (11, 1891228), (22, 945614), (44, 472807), (431, 48268), (862, 24134), (1097, 18964), (1724, 12067), (2194, 9482), (4388, 4741)]