20161668128

素因数分解:

$2^5\times 7^1\times {\mathrm{90007447}}^1$

素因数の和:90007464

約数の個数: 24

約数和(自身を含む): 45363753792

約数和(自身を除く): 25202085664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90007447, 180014894, 360029788, 630052129, 720059576, 1260104258, 1440119152, 2520208516, 2880238304, 5040417032, 10080834064, 20161668128]

約数ペア:

[(1, 20161668128), (2, 10080834064), (4, 5040417032), (7, 2880238304), (8, 2520208516), (14, 1440119152), (16, 1260104258), (28, 720059576), (32, 630052129), (56, 360029788), (112, 180014894), (224, 90007447)]