20728624

素因数分解:

$2^4\times 7^1\times {\mathrm{185077}}^1$

素因数の和:185092

約数の個数: 20

約数和(自身を含む): 45899344

約数和(自身を除く): 25170720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 185077, 370154, 740308, 1295539, 1480616, 2591078, 2961232, 5182156, 10364312, 20728624]

約数ペア:

[(1, 20728624), (2, 10364312), (4, 5182156), (7, 2961232), (8, 2591078), (14, 1480616), (16, 1295539), (28, 740308), (56, 370154), (112, 185077)]