20646442

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 31852800

約数和(自身を除く): 11206358

約数列:

[1, 2, 47, 94, 157, 314, 1399, 2798, 7379, 14758, 65753, 131506, 219643, 439286, 10323221, 20646442]

約数ペア:

[(1, 20646442), (2, 10323221), (47, 439286), (94, 219643), (157, 131506), (314, 65753), (1399, 14758), (2798, 7379)]