20780044

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1627}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 37925888

約数和(自身を除く): 17145844

約数列:

[1, 2, 4, 31, 62, 103, 124, 206, 412, 1627, 3193, 3254, 6386, 6508, 12772, 50437, 100874, 167581, 201748, 335162, 670324, 5195011, 10390022, 20780044]

約数ペア:

[(1, 20780044), (2, 10390022), (4, 5195011), (31, 670324), (62, 335162), (103, 201748), (124, 167581), (206, 100874), (412, 50437), (1627, 12772), (3193, 6508), (3254, 6386)]