20741937

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 28174080

約数和(自身を除く): 7432143

約数列:

[1, 3, 109, 137, 327, 411, 463, 1389, 14933, 44799, 50467, 63431, 151401, 190293, 6913979, 20741937]

約数ペア:

[(1, 20741937), (3, 6913979), (109, 190293), (137, 151401), (327, 63431), (411, 50467), (463, 44799), (1389, 14933)]