20356311

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6277}}^1$

素因数の和:6350

約数の個数: 16

約数和(自身を含む): 28929024

約数和(自身を除く): 8572713

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6277, 18831, 144371, 295019, 433113, 885057, 6785437, 20356311]

約数ペア:

[(1, 20356311), (3, 6785437), (23, 885057), (47, 433113), (69, 295019), (141, 144371), (1081, 18831), (3243, 6277)]