20575113

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12269}}^1$

素因数の和:12328

約数の個数: 16

約数和(自身を含む): 30233280

約数和(自身を除く): 9658167

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12269, 36807, 159497, 478491, 527567, 1582701, 6858371, 20575113]

約数ペア:

[(1, 20575113), (3, 6858371), (13, 1582701), (39, 527567), (43, 478491), (129, 159497), (559, 36807), (1677, 12269)]