20173744045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{282407}}^1$

素因数の和:282589

約数の個数: 32

約数和(自身を含む): 29984951808

約数和(自身を除く): 9811207763

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 455, 785, 1099, 2041, 5495, 10205, 14287, 71435, 282407, 1412035, 1976849, 3671291, 9884245, 18356455, 25699037, 44337899, 128495185, 221689495, 310365293, 576392687, 1551826465, 2881963435, 4034748809, 20173744045]

約数ペア:

[(1, 20173744045), (5, 4034748809), (7, 2881963435), (13, 1551826465), (35, 576392687), (65, 310365293), (91, 221689495), (157, 128495185), (455, 44337899), (785, 25699037), (1099, 18356455), (2041, 9884245), (5495, 3671291), (10205, 1976849), (14287, 1412035), (71435, 282407)]