20931714

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 47536632

約数和(自身を除く): 26604918

約数列:

[1, 2, 3, 6, 9, 18, 37, 53, 74, 106, 111, 159, 222, 318, 333, 477, 593, 666, 954, 1186, 1779, 1961, 3558, 3922, 5337, 5883, 10674, 11766, 17649, 21941, 31429, 35298, 43882, 62858, 65823, 94287, 131646, 188574, 197469, 282861, 394938, 565722, 1162873, 2325746, 3488619, 6977238, 10465857, 20931714]

約数ペア:

[(1, 20931714), (2, 10465857), (3, 6977238), (6, 3488619), (9, 2325746), (18, 1162873), (37, 565722), (53, 394938), (74, 282861), (106, 197469), (111, 188574), (159, 131646), (222, 94287), (318, 65823), (333, 62858), (477, 43882), (593, 35298), (666, 31429), (954, 21941), (1186, 17649), (1779, 11766), (1961, 10674), (3558, 5883), (3922, 5337)]