20787074

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1753}}^1$

素因数の和:1791

約数の個数: 36

約数和(自身を含む): 39891222

約数和(自身を除く): 19104148

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 1753, 3506, 5929, 11858, 12271, 19283, 24542, 38566, 85897, 134981, 171794, 212113, 269962, 424226, 944867, 1484791, 1889734, 2969582, 10393537, 20787074]

約数ペア:

[(1, 20787074), (2, 10393537), (7, 2969582), (11, 1889734), (14, 1484791), (22, 944867), (49, 424226), (77, 269962), (98, 212113), (121, 171794), (154, 134981), (242, 85897), (539, 38566), (847, 24542), (1078, 19283), (1694, 12271), (1753, 11858), (3506, 5929)]