20788635

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5351}}^1$

素因数の和:5403

約数の個数: 32

約数和(自身を含む): 39048192

約数和(自身を除く): 18259557

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 5351, 16053, 26755, 37457, 80265, 112371, 187285, 197987, 561855, 593961, 989935, 1385909, 2969805, 4157727, 6929545, 20788635]

約数ペア:

[(1, 20788635), (3, 6929545), (5, 4157727), (7, 2969805), (15, 1385909), (21, 989935), (35, 593961), (37, 561855), (105, 197987), (111, 187285), (185, 112371), (259, 80265), (555, 37457), (777, 26755), (1295, 16053), (3885, 5351)]