20775751

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 22819104

約数和(自身を除く): 2043353

約数列:

[1, 17, 43, 97, 293, 731, 1649, 4171, 4981, 12599, 28421, 70907, 214183, 483157, 1222103, 20775751]

約数ペア:

[(1, 20775751), (17, 1222103), (43, 483157), (97, 214183), (293, 70907), (731, 28421), (1649, 12599), (4171, 4981)]