20206081

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 25214976

約数和(自身を除く): 5008895

約数列:

[1, 7, 17, 49, 119, 127, 191, 833, 889, 1337, 2159, 3247, 6223, 9359, 15113, 22729, 24257, 105791, 159103, 169799, 412369, 1188593, 2886583, 20206081]

約数ペア:

[(1, 20206081), (7, 2886583), (17, 1188593), (49, 412369), (119, 169799), (127, 159103), (191, 105791), (833, 24257), (889, 22729), (1337, 15113), (2159, 9359), (3247, 6223)]