20581924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{919}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 39412800

約数和(自身を除く): 18830876

約数列:

[1, 2, 4, 11, 22, 44, 509, 919, 1018, 1838, 2036, 3676, 5599, 10109, 11198, 20218, 22396, 40436, 467771, 935542, 1871084, 5145481, 10290962, 20581924]

約数ペア:

[(1, 20581924), (2, 10290962), (4, 5145481), (11, 1871084), (22, 935542), (44, 467771), (509, 40436), (919, 22396), (1018, 20218), (1838, 11198), (2036, 10109), (3676, 5599)]