20389726

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{50221}}^1$

素因数の和:50259

約数の個数: 16

約数和(自身を含む): 36159840

約数和(自身を除く): 15770114

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 50221, 100442, 351547, 703094, 1456409, 2912818, 10194863, 20389726]

約数ペア:

[(1, 20389726), (2, 10194863), (7, 2912818), (14, 1456409), (29, 703094), (58, 351547), (203, 100442), (406, 50221)]