20099877

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22259}}^1$

素因数の和:22312

約数の個数: 16

約数和(自身を含む): 31342080

約数和(自身を除く): 11242203

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22259, 66777, 155813, 467439, 957137, 2871411, 6699959, 20099877]

約数ペア:

[(1, 20099877), (3, 6699959), (7, 2871411), (21, 957137), (43, 467439), (129, 155813), (301, 66777), (903, 22259)]