20719481

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2848

約数の個数: 16

約数和(自身を含む): 24105600

約数和(自身を除く): 3386119

約数列:

[1, 17, 19, 23, 323, 391, 437, 2789, 7429, 47413, 52991, 64147, 900847, 1090499, 1218793, 20719481]

約数ペア:

[(1, 20719481), (17, 1218793), (19, 1090499), (23, 900847), (323, 64147), (391, 52991), (437, 47413), (2789, 7429)]