20341816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1663}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 41932800

約数和(自身を除く): 21590984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 1663, 3058, 3326, 6116, 6652, 12232, 13304, 18293, 36586, 73172, 146344, 231157, 462314, 924628, 1849256, 2542727, 5085454, 10170908, 20341816]

約数ペア:

[(1, 20341816), (2, 10170908), (4, 5085454), (8, 2542727), (11, 1849256), (22, 924628), (44, 462314), (88, 231157), (139, 146344), (278, 73172), (556, 36586), (1112, 18293), (1529, 13304), (1663, 12232), (3058, 6652), (3326, 6116)]