20994491

素因数分解:

$7^2\times {\mathrm{229}}^1\times {\mathrm{1871}}^1$

素因数の和:2114

約数の個数: 12

約数和(自身を含む): 24541920

約数和(自身を除く): 3547429

約数列:

[1, 7, 49, 229, 1603, 1871, 11221, 13097, 91679, 428459, 2999213, 20994491]

約数ペア:

[(1, 20994491), (7, 2999213), (49, 428459), (229, 91679), (1603, 13097), (1871, 11221)]