20612891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4909}}^1$

素因数の和:4958

約数の個数: 16

約数和(自身を含む): 24746400

約数和(自身を除く): 4133509

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4909, 63817, 83453, 93271, 1084889, 1212523, 1585607, 20612891]

約数ペア:

[(1, 20612891), (13, 1585607), (17, 1212523), (19, 1084889), (221, 93271), (247, 83453), (323, 63817), (4199, 4909)]