20409649

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1259}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2875151

約数列:

[1, 13, 29, 43, 377, 559, 1247, 1259, 16211, 16367, 36511, 54137, 474643, 703781, 1569973, 20409649]

約数ペア:

[(1, 20409649), (13, 1569973), (29, 703781), (43, 474643), (377, 54137), (559, 36511), (1247, 16367), (1259, 16211)]