20497284

素因数分解:

$2^2\times 3^2\times {\mathrm{569369}}^1$

素因数の和:569379

約数の個数: 18

約数和(自身を含む): 51812670

約数和(自身を除く): 31315386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569369, 1138738, 1708107, 2277476, 3416214, 5124321, 6832428, 10248642, 20497284]

約数ペア:

[(1, 20497284), (2, 10248642), (3, 6832428), (4, 5124321), (6, 3416214), (9, 2277476), (12, 1708107), (18, 1138738), (36, 569369)]