20257192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133271}}^1$

素因数の和:133296

約数の個数: 16

約数和(自身を含む): 39981600

約数和(自身を除く): 19724408

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133271, 266542, 533084, 1066168, 2532149, 5064298, 10128596, 20257192]

約数ペア:

[(1, 20257192), (2, 10128596), (4, 5064298), (8, 2532149), (19, 1066168), (38, 533084), (76, 266542), (152, 133271)]