20816191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 24111360

約数和(自身を除く): 3295169

約数列:

[1, 11, 19, 137, 209, 727, 1507, 2603, 7997, 13813, 28633, 99599, 151943, 1095589, 1892381, 20816191]

約数ペア:

[(1, 20816191), (11, 1892381), (19, 1095589), (137, 151943), (209, 99599), (727, 28633), (1507, 13813), (2603, 7997)]