20501393

素因数分解:

${\mathrm{11}}^3\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 16

約数和(自身を含む): 22967232

約数和(自身を除く): 2465839

約数列:

[1, 11, 73, 121, 211, 803, 1331, 2321, 8833, 15403, 25531, 97163, 169433, 280841, 1863763, 20501393]

約数ペア:

[(1, 20501393), (11, 1863763), (73, 280841), (121, 169433), (211, 97163), (803, 25531), (1331, 15403), (2321, 8833)]