20913553

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 2414447

約数列:

[1, 17, 29, 59, 493, 719, 1003, 1711, 12223, 20851, 29087, 42421, 354467, 721157, 1230209, 20913553]

約数ペア:

[(1, 20913553), (17, 1230209), (29, 721157), (59, 354467), (493, 42421), (719, 29087), (1003, 20851), (1711, 12223)]