20892993

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27527}}^1$

素因数の和:27564

約数の個数: 16

約数和(自身を含む): 31712256

約数和(自身を除く): 10819263

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 27527, 82581, 302797, 633121, 908391, 1899363, 6964331, 20892993]

約数ペア:

[(1, 20892993), (3, 6964331), (11, 1899363), (23, 908391), (33, 633121), (69, 302797), (253, 82581), (759, 27527)]