20631258

素因数分解:

$2^1\times 3^2\times {\mathrm{881}}^1\times {\mathrm{1301}}^1$

素因数の和:2190

約数の個数: 24

約数和(自身を含む): 44786196

約数和(自身を除く): 24154938

約数列:

[1, 2, 3, 6, 9, 18, 881, 1301, 1762, 2602, 2643, 3903, 5286, 7806, 7929, 11709, 15858, 23418, 1146181, 2292362, 3438543, 6877086, 10315629, 20631258]

約数ペア:

[(1, 20631258), (2, 10315629), (3, 6877086), (6, 3438543), (9, 2292362), (18, 1146181), (881, 23418), (1301, 15858), (1762, 11709), (2602, 7929), (2643, 7806), (3903, 5286)]