20554424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1783}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 42387840

約数和(自身を除く): 21833416

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1783, 2882, 3566, 5764, 7132, 11528, 14264, 19613, 39226, 78452, 156904, 233573, 467146, 934292, 1868584, 2569303, 5138606, 10277212, 20554424]

約数ペア:

[(1, 20554424), (2, 10277212), (4, 5138606), (8, 2569303), (11, 1868584), (22, 934292), (44, 467146), (88, 233573), (131, 156904), (262, 78452), (524, 39226), (1048, 19613), (1441, 14264), (1783, 11528), (2882, 7132), (3566, 5764)]