20787032

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16139}}^1$

素因数の和:16175

約数の個数: 32

約数和(自身を含む): 46483200

約数和(自身を除く): 25696168

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 16139, 32278, 64556, 112973, 129112, 225946, 371197, 451892, 742394, 903784, 1484788, 2598379, 2969576, 5196758, 10393516, 20787032]

約数ペア:

[(1, 20787032), (2, 10393516), (4, 5196758), (7, 2969576), (8, 2598379), (14, 1484788), (23, 903784), (28, 742394), (46, 451892), (56, 371197), (92, 225946), (161, 129112), (184, 112973), (322, 64556), (644, 32278), (1288, 16139)]