20447691

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2411}}^1$

素因数の和:2682

約数の個数: 16

約数和(自身を含む): 29870208

約数和(自身を除く): 9422517

約数列:

[1, 3, 11, 33, 257, 771, 2411, 2827, 7233, 8481, 26521, 79563, 619627, 1858881, 6815897, 20447691]

約数ペア:

[(1, 20447691), (3, 6815897), (11, 1858881), (33, 619627), (257, 79563), (771, 26521), (2411, 8481), (2827, 7233)]