20512541

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 24915840

約数和(自身を除く): 4403299

約数列:

[1, 7, 29, 37, 203, 259, 1073, 2731, 7511, 19117, 79199, 101047, 554393, 707329, 2930363, 20512541]

約数ペア:

[(1, 20512541), (7, 2930363), (29, 707329), (37, 554393), (203, 101047), (259, 79199), (1073, 19117), (2731, 7511)]