20886814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42281}}^1$

素因数の和:42315

約数の個数: 16

約数和(自身を含む): 35516880

約数和(自身を除く): 14630066

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42281, 84562, 549653, 803339, 1099306, 1606678, 10443407, 20886814]

約数ペア:

[(1, 20886814), (2, 10443407), (13, 1606678), (19, 1099306), (26, 803339), (38, 549653), (247, 84562), (494, 42281)]