20873167

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{18521}}^1$

素因数の和:18558

約数の個数: 12

約数和(自身を含む): 25338096

約数和(自身を除く): 4464929

約数列:

[1, 7, 23, 49, 161, 1127, 18521, 129647, 425983, 907529, 2981881, 20873167]

約数ペア:

[(1, 20873167), (7, 2981881), (23, 907529), (49, 425983), (161, 129647), (1127, 18521)]