20218616

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20887}}^1$

素因数の和:20915

約数の個数: 24

約数和(自身を含む): 41671560

約数和(自身を除く): 21452944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20887, 41774, 83548, 167096, 229757, 459514, 919028, 1838056, 2527327, 5054654, 10109308, 20218616]

約数ペア:

[(1, 20218616), (2, 10109308), (4, 5054654), (8, 2527327), (11, 1838056), (22, 919028), (44, 459514), (88, 229757), (121, 167096), (242, 83548), (484, 41774), (968, 20887)]