20716726

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13297}}^1$

素因数の和:13359

約数の個数: 16

約数和(自身を含む): 33510960

約数和(自身を除く): 12794234

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13297, 26594, 252643, 505286, 545177, 1090354, 10358363, 20716726]

約数ペア:

[(1, 20716726), (2, 10358363), (19, 1090354), (38, 545177), (41, 505286), (82, 252643), (779, 26594), (1558, 13297)]