20027138

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2131}}^1$

素因数の和:2297

約数の個数: 16

約数和(自身を含む): 31110144

約数和(自身を除く): 11083006

約数列:

[1, 2, 37, 74, 127, 254, 2131, 4262, 4699, 9398, 78847, 157694, 270637, 541274, 10013569, 20027138]

約数ペア:

[(1, 20027138), (2, 10013569), (37, 541274), (74, 270637), (127, 157694), (254, 78847), (2131, 9398), (4262, 4699)]