20872312

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44221}}^1$

素因数の和:44286

約数の個数: 16

約数和(自身を含む): 39799800

約数和(自身を除く): 18927488

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44221, 88442, 176884, 353768, 2609039, 5218078, 10436156, 20872312]

約数ペア:

[(1, 20872312), (2, 10436156), (4, 5218078), (8, 2609039), (59, 353768), (118, 176884), (236, 88442), (472, 44221)]