20076440

素因数分解:

$2^3\times 5^1\times {\mathrm{501911}}^1$

素因数の和:501922

約数の個数: 16

約数和(自身を含む): 45172080

約数和(自身を除く): 25095640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 501911, 1003822, 2007644, 2509555, 4015288, 5019110, 10038220, 20076440]

約数ペア:

[(1, 20076440), (2, 10038220), (4, 5019110), (5, 4015288), (8, 2509555), (10, 2007644), (20, 1003822), (40, 501911)]