1772020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2161}}^1$

素因数の和:2211

約数の個数: 24

約数和(自身を含む): 3813768

約数和(自身を除く): 2041748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2161, 4322, 8644, 10805, 21610, 43220, 88601, 177202, 354404, 443005, 886010, 1772020]

約数ペア:

[(1, 1772020), (2, 886010), (4, 443005), (5, 354404), (10, 177202), (20, 88601), (41, 43220), (82, 21610), (164, 10805), (205, 8644), (410, 4322), (820, 2161)]