20610448

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18143}}^1$

素因数の和:18222

約数の個数: 20

約数和(自身を含む): 40497408

約数和(自身を除く): 19886960

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18143, 36286, 72572, 145144, 290288, 1288153, 2576306, 5152612, 10305224, 20610448]

約数ペア:

[(1, 20610448), (2, 10305224), (4, 5152612), (8, 2576306), (16, 1288153), (71, 290288), (142, 145144), (284, 72572), (568, 36286), (1136, 18143)]