20999032

素因数分解:

$2^3\times {\mathrm{647}}^1\times {\mathrm{4057}}^1$

素因数の和:4710

約数の個数: 16

約数和(自身を含む): 39443760

約数和(自身を除く): 18444728

約数列:

[1, 2, 4, 8, 647, 1294, 2588, 4057, 5176, 8114, 16228, 32456, 2624879, 5249758, 10499516, 20999032]

約数ペア:

[(1, 20999032), (2, 10499516), (4, 5249758), (8, 2624879), (647, 32456), (1294, 16228), (2588, 8114), (4057, 5176)]