20489326

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2368

約数の個数: 32

約数和(自身を含む): 37287936

約数和(自身を除く): 16798610

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 143, 286, 341, 403, 682, 806, 2311, 4433, 4622, 8866, 25421, 30043, 50842, 60086, 71641, 143282, 330473, 660946, 788051, 931333, 1576102, 1862666, 10244663, 20489326]

約数ペア:

[(1, 20489326), (2, 10244663), (11, 1862666), (13, 1576102), (22, 931333), (26, 788051), (31, 660946), (62, 330473), (143, 143282), (286, 71641), (341, 60086), (403, 50842), (682, 30043), (806, 25421), (2311, 8866), (4433, 4622)]