20274440

素因数分解:

$2^3\times 5^1\times {\mathrm{506861}}^1$

素因数の和:506872

約数の個数: 16

約数和(自身を含む): 45617580

約数和(自身を除く): 25343140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506861, 1013722, 2027444, 2534305, 4054888, 5068610, 10137220, 20274440]

約数ペア:

[(1, 20274440), (2, 10137220), (4, 5068610), (5, 4054888), (8, 2534305), (10, 2027444), (20, 1013722), (40, 506861)]