20485256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1777}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 42245280

約数和(自身を除く): 21760024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 1777, 2882, 3554, 5764, 7108, 11528, 14216, 19547, 39094, 78188, 156376, 232787, 465574, 931148, 1862296, 2560657, 5121314, 10242628, 20485256]

約数ペア:

[(1, 20485256), (2, 10242628), (4, 5121314), (8, 2560657), (11, 1862296), (22, 931148), (44, 465574), (88, 232787), (131, 156376), (262, 78188), (524, 39094), (1048, 19547), (1441, 14216), (1777, 11528), (2882, 7108), (3554, 5764)]