20984073

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27647}}^1$

素因数の和:27684

約数の個数: 16

約数和(自身を含む): 31850496

約数和(自身を除く): 10866423

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27647, 82941, 304117, 635881, 912351, 1907643, 6994691, 20984073]

約数ペア:

[(1, 20984073), (3, 6994691), (11, 1907643), (23, 912351), (33, 635881), (69, 304117), (253, 82941), (759, 27647)]