20117853

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{10301}}^1$

素因数の和:10345

約数の個数: 24

約数和(自身を含む): 34285056

約数和(自身を除く): 14167203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 10301, 30903, 72107, 92709, 216321, 319331, 648963, 957993, 2235317, 2873979, 6705951, 20117853]

約数ペア:

[(1, 20117853), (3, 6705951), (7, 2873979), (9, 2235317), (21, 957993), (31, 648963), (63, 319331), (93, 216321), (217, 92709), (279, 72107), (651, 30903), (1953, 10301)]