20626906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7351}}^1$

素因数の和:7437

約数の個数: 16

約数和(自身を含む): 32819328

約数和(自身を除く): 12192422

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7351, 14702, 169073, 338146, 448411, 896822, 10313453, 20626906]

約数ペア:

[(1, 20626906), (2, 10313453), (23, 896822), (46, 448411), (61, 338146), (122, 169073), (1403, 14702), (2806, 7351)]