20797774

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2213}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 32306688

約数和(自身を除く): 11508914

約数列:

[1, 2, 37, 74, 127, 254, 2213, 4426, 4699, 9398, 81881, 163762, 281051, 562102, 10398887, 20797774]

約数ペア:

[(1, 20797774), (2, 10398887), (37, 562102), (74, 281051), (127, 163762), (254, 81881), (2213, 9398), (4426, 4699)]