20509428

素因数分解:

$2^2\times 3^1\times {\mathrm{367}}^1\times {\mathrm{4657}}^1$

素因数の和:5031

約数の個数: 24

約数和(自身を含む): 47996032

約数和(自身を除く): 27486604

約数列:

[1, 2, 3, 4, 6, 12, 367, 734, 1101, 1468, 2202, 4404, 4657, 9314, 13971, 18628, 27942, 55884, 1709119, 3418238, 5127357, 6836476, 10254714, 20509428]

約数ペア:

[(1, 20509428), (2, 10254714), (3, 6836476), (4, 5127357), (6, 3418238), (12, 1709119), (367, 55884), (734, 27942), (1101, 18628), (1468, 13971), (2202, 9314), (4404, 4657)]