20711229

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89659}}^1$

素因数の和:89680

約数の個数: 16

約数和(自身を含む): 34429440

約数和(自身を除く): 13718211

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 89659, 268977, 627613, 986249, 1882839, 2958747, 6903743, 20711229]

約数ペア:

[(1, 20711229), (3, 6903743), (7, 2958747), (11, 1882839), (21, 986249), (33, 627613), (77, 268977), (231, 89659)]