20812734

素因数分解:

$2^1\times 3^3\times {\mathrm{193}}^1\times {\mathrm{1997}}^1$

素因数の和:2201

約数の個数: 32

約数和(自身を含む): 46513440

約数和(自身を除く): 25700706

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 193, 386, 579, 1158, 1737, 1997, 3474, 3994, 5211, 5991, 10422, 11982, 17973, 35946, 53919, 107838, 385421, 770842, 1156263, 2312526, 3468789, 6937578, 10406367, 20812734]

約数ペア:

[(1, 20812734), (2, 10406367), (3, 6937578), (6, 3468789), (9, 2312526), (18, 1156263), (27, 770842), (54, 385421), (193, 107838), (386, 53919), (579, 35946), (1158, 17973), (1737, 11982), (1997, 10422), (3474, 5991), (3994, 5211)]