20824371

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 33500376

約数和(自身を除く): 12676005

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 213, 243, 459, 639, 1207, 1377, 1917, 3621, 4131, 5041, 5751, 10863, 15123, 17253, 32589, 45369, 85697, 97767, 136107, 257091, 293301, 408321, 771273, 1224963, 2313819, 6941457, 20824371]

約数ペア:

[(1, 20824371), (3, 6941457), (9, 2313819), (17, 1224963), (27, 771273), (51, 408321), (71, 293301), (81, 257091), (153, 136107), (213, 97767), (243, 85697), (459, 45369), (639, 32589), (1207, 17253), (1377, 15123), (1917, 10863), (3621, 5751), (4131, 5041)]