20470791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8737}}^1$

素因数の和:8822

約数の個数: 16

約数和(自身を含む): 30198528

約数和(自身を除く): 9727737

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8737, 26211, 96107, 288321, 620327, 1860981, 6823597, 20470791]

約数ペア:

[(1, 20470791), (3, 6823597), (11, 1860981), (33, 620327), (71, 288321), (213, 96107), (781, 26211), (2343, 8737)]