20016689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5531}}^1$

素因数の和:5596

約数の個数: 16

約数和(自身を含む): 25491456

約数和(自身を除く): 5474767

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5531, 38717, 60841, 259957, 425887, 1819699, 2859527, 20016689]

約数ペア:

[(1, 20016689), (7, 2859527), (11, 1819699), (47, 425887), (77, 259957), (329, 60841), (517, 38717), (3619, 5531)]