20546391

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3307}}^1$

素因数の和:3438

約数の個数: 16

約数和(自身を含む): 29110400

約数和(自身を除く): 8564009

約数列:

[1, 3, 19, 57, 109, 327, 2071, 3307, 6213, 9921, 62833, 188499, 360463, 1081389, 6848797, 20546391]

約数ペア:

[(1, 20546391), (3, 6848797), (19, 1081389), (57, 360463), (109, 188499), (327, 62833), (2071, 9921), (3307, 6213)]