20789412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6689}}^1$

素因数の和:6740

約数の個数: 48

約数和(自身を含む): 56945280

約数和(自身を除く): 36155868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6689, 13378, 20067, 26756, 40134, 46823, 80268, 93646, 140469, 187292, 247493, 280938, 494986, 561876, 742479, 989972, 1484958, 1732451, 2969916, 3464902, 5197353, 6929804, 10394706, 20789412]

約数ペア:

[(1, 20789412), (2, 10394706), (3, 6929804), (4, 5197353), (6, 3464902), (7, 2969916), (12, 1732451), (14, 1484958), (21, 989972), (28, 742479), (37, 561876), (42, 494986), (74, 280938), (84, 247493), (111, 187292), (148, 140469), (222, 93646), (259, 80268), (444, 46823), (518, 40134), (777, 26756), (1036, 20067), (1554, 13378), (3108, 6689)]