20154470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287921}}^1$

素因数の和:287935

約数の個数: 16

約数和(自身を含む): 41460768

約数和(自身を除く): 21306298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287921, 575842, 1439605, 2015447, 2879210, 4030894, 10077235, 20154470]

約数ペア:

[(1, 20154470), (2, 10077235), (5, 4030894), (7, 2879210), (10, 2015447), (14, 1439605), (35, 575842), (70, 287921)]