20137240

素因数分解:

$2^3\times 5^1\times {\mathrm{503431}}^1$

素因数の和:503442

約数の個数: 16

約数和(自身を含む): 45308880

約数和(自身を除く): 25171640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503431, 1006862, 2013724, 2517155, 4027448, 5034310, 10068620, 20137240]

約数ペア:

[(1, 20137240), (2, 10068620), (4, 5034310), (5, 4027448), (8, 2517155), (10, 2013724), (20, 1006862), (40, 503431)]