20754578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11243}}^1$

素因数の和:11329

約数の個数: 16

約数和(自身を含む): 34001856

約数和(自身を除く): 13247278

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11243, 22486, 146159, 292318, 798253, 1596506, 10377289, 20754578]

約数ペア:

[(1, 20754578), (2, 10377289), (13, 1596506), (26, 798253), (71, 292318), (142, 146159), (923, 22486), (1846, 11243)]