20640054

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{118621}}^1$

素因数の和:118655

約数の個数: 16

約数和(自身を含む): 42703920

約数和(自身を除く): 22063866

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 118621, 237242, 355863, 711726, 3440009, 6880018, 10320027, 20640054]

約数ペア:

[(1, 20640054), (2, 10320027), (3, 6880018), (6, 3440009), (29, 711726), (58, 355863), (87, 237242), (174, 118621)]