20543404

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{4241}}^1$

素因数の和:4425

約数の個数: 24

約数和(自身を含む): 41334048

約数和(自身を除く): 20790644

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4241, 4844, 8482, 16964, 29687, 59374, 118748, 733693, 1467386, 2934772, 5135851, 10271702, 20543404]

約数ペア:

[(1, 20543404), (2, 10271702), (4, 5135851), (7, 2934772), (14, 1467386), (28, 733693), (173, 118748), (346, 59374), (692, 29687), (1211, 16964), (2422, 8482), (4241, 4844)]