20543416

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19891784

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 311, 359, 622, 718, 1244, 1436, 2488, 2872, 7153, 8257, 14306, 16514, 28612, 33028, 57224, 66056, 111649, 223298, 446596, 893192, 2567927, 5135854, 10271708, 20543416]

約数ペア:

[(1, 20543416), (2, 10271708), (4, 5135854), (8, 2567927), (23, 893192), (46, 446596), (92, 223298), (184, 111649), (311, 66056), (359, 57224), (622, 33028), (718, 28612), (1244, 16514), (1436, 14306), (2488, 8257), (2872, 7153)]