20152989

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15881}}^1$

素因数の和:15937

約数の個数: 16

約数和(自身を含む): 30493440

約数和(自身を除く): 10340451

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15881, 47643, 142929, 428787, 746407, 2239221, 6717663, 20152989]

約数ペア:

[(1, 20152989), (3, 6717663), (9, 2239221), (27, 746407), (47, 428787), (141, 142929), (423, 47643), (1269, 15881)]