20013289

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 22538880

約数和(自身を除く): 2525591

約数列:

[1, 19, 23, 41, 437, 779, 943, 1117, 17917, 21223, 25691, 45797, 488129, 870143, 1053331, 20013289]

約数ペア:

[(1, 20013289), (19, 1053331), (23, 870143), (41, 488129), (437, 45797), (779, 25691), (943, 21223), (1117, 17917)]