20726739

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3673}}^1$

素因数の和:3712

約数の個数: 32

約数和(自身を含む): 35270400

約数和(自身を除く): 14543661

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3673, 5643, 11019, 33057, 40403, 69787, 99171, 121209, 209361, 363627, 628083, 767657, 1090881, 1884249, 2302971, 6908913, 20726739]

約数ペア:

[(1, 20726739), (3, 6908913), (9, 2302971), (11, 1884249), (19, 1090881), (27, 767657), (33, 628083), (57, 363627), (99, 209361), (171, 121209), (209, 99171), (297, 69787), (513, 40403), (627, 33057), (1881, 11019), (3673, 5643)]