20966080

素因数分解:

$2^6\times 5^1\times {\mathrm{65519}}^1$

素因数の和:65536

約数の個数: 28

約数和(自身を含む): 49926240

約数和(自身を除く): 28960160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65519, 131038, 262076, 327595, 524152, 655190, 1048304, 1310380, 2096608, 2620760, 4193216, 5241520, 10483040, 20966080]

約数ペア:

[(1, 20966080), (2, 10483040), (4, 5241520), (5, 4193216), (8, 2620760), (10, 2096608), (16, 1310380), (20, 1048304), (32, 655190), (40, 524152), (64, 327595), (80, 262076), (160, 131038), (320, 65519)]