20158888

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{35491}}^1$

素因数の和:35568

約数の個数: 16

約数和(自身を含む): 38331360

約数和(自身を除く): 18172472

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 35491, 70982, 141964, 283928, 2519861, 5039722, 10079444, 20158888]

約数ペア:

[(1, 20158888), (2, 10079444), (4, 5039722), (8, 2519861), (71, 283928), (142, 141964), (284, 70982), (568, 35491)]