20946418

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1613}}^1$

素因数の和:1809

約数の個数: 16

約数和(自身を含む): 32383296

約数和(自身を除く): 11436878

約数列:

[1, 2, 43, 86, 151, 302, 1613, 3226, 6493, 12986, 69359, 138718, 243563, 487126, 10473209, 20946418]

約数ペア:

[(1, 20946418), (2, 10473209), (43, 487126), (86, 243563), (151, 138718), (302, 69359), (1613, 12986), (3226, 6493)]