20156450811

素因数分解:

$3^1\times 7^2\times {\mathrm{499}}^1\times {\mathrm{274787}}^1$

素因数の和:275303

約数の個数: 24

約数和(自身を含む): 31325832000

約数和(自身を除く): 11169381189

約数列:

[1, 3, 7, 21, 49, 147, 499, 1497, 3493, 10479, 24451, 73353, 274787, 824361, 1923509, 5770527, 13464563, 40393689, 137118713, 411356139, 959830991, 2879492973, 6718816937, 20156450811]

約数ペア:

[(1, 20156450811), (3, 6718816937), (7, 2879492973), (21, 959830991), (49, 411356139), (147, 137118713), (499, 40393689), (1497, 13464563), (3493, 5770527), (10479, 1923509), (24451, 824361), (73353, 274787)]