20711448575

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{96907}}^1$

素因数の和:97103

約数の個数: 24

約数和(自身を含む): 26244236928

約数和(自身を除く): 5532788353

約数列:

[1, 5, 25, 83, 103, 415, 515, 2075, 2575, 8549, 42745, 96907, 213725, 484535, 2422675, 8043281, 9981421, 40216405, 49907105, 201082025, 249535525, 828457943, 4142289715, 20711448575]

約数ペア:

[(1, 20711448575), (5, 4142289715), (25, 828457943), (83, 249535525), (103, 201082025), (415, 49907105), (515, 40216405), (2075, 9981421), (2575, 8043281), (8549, 2422675), (42745, 484535), (96907, 213725)]