20665124

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{911}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 37231488

約数和(自身を除く): 16566364

約数列:

[1, 2, 4, 53, 106, 107, 212, 214, 428, 911, 1822, 3644, 5671, 11342, 22684, 48283, 96566, 97477, 193132, 194954, 389908, 5166281, 10332562, 20665124]

約数ペア:

[(1, 20665124), (2, 10332562), (4, 5166281), (53, 389908), (106, 194954), (107, 193132), (212, 97477), (214, 96566), (428, 48283), (911, 22684), (1822, 11342), (3644, 5671)]