20979377

素因数分解:

${\mathrm{17}}^2\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:580

約数の個数: 12

約数和(自身を含む): 22453980

約数和(自身を除く): 1474603

約数列:

[1, 17, 229, 289, 317, 3893, 5389, 66181, 72593, 91613, 1234081, 20979377]

約数ペア:

[(1, 20979377), (17, 1234081), (229, 91613), (289, 72593), (317, 66181), (3893, 5389)]