20263166

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18797}}^1$

素因数の和:18824

約数の個数: 24

約数和(自身を含む): 38573496

約数和(自身を除く): 18310330

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18797, 37594, 131579, 206767, 263158, 413534, 921053, 1447369, 1842106, 2894738, 10131583, 20263166]

約数ペア:

[(1, 20263166), (2, 10131583), (7, 2894738), (11, 1842106), (14, 1447369), (22, 921053), (49, 413534), (77, 263158), (98, 206767), (154, 131579), (539, 37594), (1078, 18797)]