20127139

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 21998592

約数和(自身を除く): 1871453

約数列:

[1, 23, 43, 47, 433, 989, 1081, 2021, 9959, 18619, 20351, 46483, 428237, 468073, 875093, 20127139]

約数ペア:

[(1, 20127139), (23, 875093), (43, 468073), (47, 428237), (433, 46483), (989, 20351), (1081, 18619), (2021, 9959)]