20931054

素因数分解:

$2^1\times 3^1\times {\mathrm{499}}^1\times {\mathrm{6991}}^1$

素因数の和:7495

約数の個数: 16

約数和(自身を含む): 41952000

約数和(自身を除く): 21020946

約数列:

[1, 2, 3, 6, 499, 998, 1497, 2994, 6991, 13982, 20973, 41946, 3488509, 6977018, 10465527, 20931054]

約数ペア:

[(1, 20931054), (2, 10465527), (3, 6977018), (6, 3488509), (499, 41946), (998, 20973), (1497, 13982), (2994, 6991)]