20789249

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4951}}^1$

素因数の和:5000

約数の個数: 16

約数和(自身を含む): 24958080

約数和(自身を除く): 4168831

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4951, 64363, 84167, 94069, 1094171, 1222897, 1599173, 20789249]

約数ペア:

[(1, 20789249), (13, 1599173), (17, 1222897), (19, 1094171), (221, 94069), (247, 84167), (323, 64363), (4199, 4951)]