20309078

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2161}}^1$

素因数の和:2327

約数の個数: 16

約数和(自身を含む): 31547904

約数和(自身を除く): 11238826

約数列:

[1, 2, 37, 74, 127, 254, 2161, 4322, 4699, 9398, 79957, 159914, 274447, 548894, 10154539, 20309078]

約数ペア:

[(1, 20309078), (2, 10154539), (37, 548894), (74, 274447), (127, 159914), (254, 79957), (2161, 9398), (4322, 4699)]