20866284

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{5417}}^1$

素因数の和:5534

約数の個数: 36

約数和(自身を含む): 53248104

約数和(自身を除く): 32381820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 5417, 10834, 16251, 21668, 32502, 48753, 65004, 97506, 195012, 579619, 1159238, 1738857, 2318476, 3477714, 5216571, 6955428, 10433142, 20866284]

約数ペア:

[(1, 20866284), (2, 10433142), (3, 6955428), (4, 5216571), (6, 3477714), (9, 2318476), (12, 1738857), (18, 1159238), (36, 579619), (107, 195012), (214, 97506), (321, 65004), (428, 48753), (642, 32502), (963, 21668), (1284, 16251), (1926, 10834), (3852, 5417)]