20152240

素因数分解:

$2^4\times 5^1\times {\mathrm{251903}}^1$

素因数の和:251916

約数の個数: 20

約数和(自身を含む): 46854144

約数和(自身を除く): 26701904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251903, 503806, 1007612, 1259515, 2015224, 2519030, 4030448, 5038060, 10076120, 20152240]

約数ペア:

[(1, 20152240), (2, 10076120), (4, 5038060), (5, 4030448), (8, 2519030), (10, 2015224), (16, 1259515), (20, 1007612), (40, 503806), (80, 251903)]