20147349621

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56435153}}^1$

素因数の和:56435180

約数の個数: 16

約数和(自身を含む): 32506648704

約数和(自身を除く): 12359299083

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56435153, 169305459, 395046071, 959397601, 1185138213, 2878192803, 6715783207, 20147349621]

約数ペア:

[(1, 20147349621), (3, 6715783207), (7, 2878192803), (17, 1185138213), (21, 959397601), (51, 395046071), (119, 169305459), (357, 56435153)]