20872958

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{2221}}^1$

素因数の和:2387

約数の個数: 16

約数和(自身を含む): 32423424

約数和(自身を除く): 11550466

約数列:

[1, 2, 37, 74, 127, 254, 2221, 4442, 4699, 9398, 82177, 164354, 282067, 564134, 10436479, 20872958]

約数ペア:

[(1, 20872958), (2, 10436479), (37, 564134), (74, 282067), (127, 164354), (254, 82177), (2221, 9398), (4442, 4699)]