20582667

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 36303872

約数和(自身を除く): 15721205

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1171, 1953, 2511, 3513, 5859, 8197, 10539, 17577, 24591, 31617, 36301, 73773, 94851, 108903, 221319, 254107, 326709, 663957, 762321, 980127, 2286963, 2940381, 6860889, 20582667]

約数ペア:

[(1, 20582667), (3, 6860889), (7, 2940381), (9, 2286963), (21, 980127), (27, 762321), (31, 663957), (63, 326709), (81, 254107), (93, 221319), (189, 108903), (217, 94851), (279, 73773), (567, 36301), (651, 31617), (837, 24591), (1171, 17577), (1953, 10539), (2511, 8197), (3513, 5859)]