20158340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27241}}^1$

素因数の和:27287

約数の個数: 24

約数和(自身を含む): 43478232

約数和(自身を除く): 23319892

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27241, 54482, 108964, 136205, 272410, 544820, 1007917, 2015834, 4031668, 5039585, 10079170, 20158340]

約数ペア:

[(1, 20158340), (2, 10079170), (4, 5039585), (5, 4031668), (10, 2015834), (20, 1007917), (37, 544820), (74, 272410), (148, 136205), (185, 108964), (370, 54482), (740, 27241)]