20903297

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 22712832

約数和(自身を除く): 1809535

約数列:

[1, 23, 47, 61, 317, 1081, 1403, 2867, 7291, 14899, 19337, 65941, 342677, 444751, 908839, 20903297]

約数ペア:

[(1, 20903297), (23, 908839), (47, 444751), (61, 342677), (317, 65941), (1081, 19337), (1403, 14899), (2867, 7291)]