20506708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 37743552

約数和(自身を除く): 17236844

約数列:

[1, 2, 4, 23, 46, 92, 137, 274, 548, 1627, 3151, 3254, 6302, 6508, 12604, 37421, 74842, 149684, 222899, 445798, 891596, 5126677, 10253354, 20506708]

約数ペア:

[(1, 20506708), (2, 10253354), (4, 5126677), (23, 891596), (46, 445798), (92, 222899), (137, 149684), (274, 74842), (548, 37421), (1627, 12604), (3151, 6508), (3254, 6302)]