20407222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{3527}}^1$

素因数の和:3803

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 13122890

約数列:

[1, 2, 11, 22, 263, 526, 2893, 3527, 5786, 7054, 38797, 77594, 927601, 1855202, 10203611, 20407222]

約数ペア:

[(1, 20407222), (2, 10203611), (11, 1855202), (22, 927601), (263, 77594), (526, 38797), (2893, 7054), (3527, 5786)]