20841651

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{40627}}^1$

素因数の和:40655

約数の個数: 16

約数和(自身を含む): 32502400

約数和(自身を除く): 11660749

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 40627, 121881, 365643, 771913, 1096929, 2315739, 6947217, 20841651]

約数ペア:

[(1, 20841651), (3, 6947217), (9, 2315739), (19, 1096929), (27, 771913), (57, 365643), (171, 121881), (513, 40627)]