20711055

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19447}}^1$

素因数の和:19526

約数の個数: 16

約数和(自身を含む): 33606144

約数和(自身を除く): 12895089

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 19447, 58341, 97235, 291705, 1380737, 4142211, 6903685, 20711055]

約数ペア:

[(1, 20711055), (3, 6903685), (5, 4142211), (15, 1380737), (71, 291705), (213, 97235), (355, 58341), (1065, 19447)]