20804753

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1648

約数の個数: 16

約数和(自身を含む): 23768640

約数和(自身を除く): 2963887

約数列:

[1, 17, 19, 41, 323, 697, 779, 1571, 13243, 26707, 29849, 64411, 507433, 1094987, 1223809, 20804753]

約数ペア:

[(1, 20804753), (17, 1223809), (19, 1094987), (41, 507433), (323, 64411), (697, 29849), (779, 26707), (1571, 13243)]