20008911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3691}}^1$

素因数の和:3846

約数の個数: 16

約数和(自身を含む): 28945280

約数和(自身を除く): 8936369

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3691, 5421, 11073, 47983, 143949, 513049, 1539147, 6669637, 20008911]

約数ペア:

[(1, 20008911), (3, 6669637), (13, 1539147), (39, 513049), (139, 143949), (417, 47983), (1807, 11073), (3691, 5421)]