20548231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2434169

約数列:

[1, 11, 89, 139, 151, 979, 1529, 1661, 12371, 13439, 20989, 136081, 147829, 230879, 1868021, 20548231]

約数ペア:

[(1, 20548231), (11, 1868021), (89, 230879), (139, 147829), (151, 136081), (979, 20989), (1529, 13439), (1661, 12371)]