20189071385

素因数分解:

$5^1\times 7^2\times {\mathrm{82404373}}^1$

素因数の和:82404392

約数の個数: 12

約数和(自身を含む): 28182295908

約数和(自身を除く): 7993224523

約数列:

[1, 5, 7, 35, 49, 245, 82404373, 412021865, 576830611, 2884153055, 4037814277, 20189071385]

約数ペア:

[(1, 20189071385), (5, 4037814277), (7, 2884153055), (35, 576830611), (49, 412021865), (245, 82404373)]