20744493

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12829}}^1$

素因数の和:12857

約数の個数: 24

約数和(自身を含む): 35102880

約数和(自身を除く): 14358387

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12829, 38487, 89803, 141119, 269409, 423357, 628621, 987833, 1885863, 2963499, 6914831, 20744493]

約数ペア:

[(1, 20744493), (3, 6914831), (7, 2963499), (11, 1885863), (21, 987833), (33, 628621), (49, 423357), (77, 269409), (147, 141119), (231, 89803), (539, 38487), (1617, 12829)]