20657588

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32077}}^1$

素因数の和:32111

約数の個数: 24

約数和(自身を含む): 43112832

約数和(自身を除く): 22455244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32077, 64154, 128308, 224539, 449078, 737771, 898156, 1475542, 2951084, 5164397, 10328794, 20657588]

約数ペア:

[(1, 20657588), (2, 10328794), (4, 5164397), (7, 2951084), (14, 1475542), (23, 898156), (28, 737771), (46, 449078), (92, 224539), (161, 128308), (322, 64154), (644, 32077)]