20990328

素因数分解:

$2^3\times 3^1\times {\mathrm{874597}}^1$

素因数の和:874606

約数の個数: 16

約数和(自身を含む): 52475880

約数和(自身を除く): 31485552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 874597, 1749194, 2623791, 3498388, 5247582, 6996776, 10495164, 20990328]

約数ペア:

[(1, 20990328), (2, 10495164), (3, 6996776), (4, 5247582), (6, 3498388), (8, 2623791), (12, 1749194), (24, 874597)]