20247305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3943}}^1$

素因数の和:4040

約数の個数: 16

約数和(自身を含む): 26503680

約数和(自身を除く): 6256375

約数列:

[1, 5, 13, 65, 79, 395, 1027, 3943, 5135, 19715, 51259, 256295, 311497, 1557485, 4049461, 20247305]

約数ペア:

[(1, 20247305), (5, 4049461), (13, 1557485), (65, 311497), (79, 256295), (395, 51259), (1027, 19715), (3943, 5135)]