20597241

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7723}}^1$

素因数の和:7860

約数の個数: 16

約数和(自身を含む): 31637504

約数和(自身を除く): 11040263

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7723, 23169, 54061, 162183, 980821, 2942463, 6865747, 20597241]

約数ペア:

[(1, 20597241), (3, 6865747), (7, 2942463), (21, 980821), (127, 162183), (381, 54061), (889, 23169), (2667, 7723)]