20120791

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1206

約数の個数: 16

約数和(自身を含む): 22659840

約数和(自身を除く): 2539049

約数列:

[1, 19, 23, 41, 437, 779, 943, 1123, 17917, 21337, 25829, 46043, 490751, 874817, 1058989, 20120791]

約数ペア:

[(1, 20120791), (19, 1058989), (23, 874817), (41, 490751), (437, 46043), (779, 25829), (943, 21337), (1123, 17917)]