20089876

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:759

約数の個数: 24

約数和(自身を含む): 35997696

約数和(自身を除く): 15907820

約数列:

[1, 2, 4, 71, 127, 142, 254, 284, 508, 557, 1114, 2228, 9017, 18034, 36068, 39547, 70739, 79094, 141478, 158188, 282956, 5022469, 10044938, 20089876]

約数ペア:

[(1, 20089876), (2, 10044938), (4, 5022469), (71, 282956), (127, 158188), (142, 141478), (254, 79094), (284, 70739), (508, 39547), (557, 36068), (1114, 18034), (2228, 9017)]