20518270083

素因数分解:

$3^3\times {\mathrm{353}}^1\times {\mathrm{2152793}}^1$

素因数の和:2153155

約数の個数: 16

約数和(自身を含む): 30483563040

約数和(自身を除く): 9965292957

約数列:

[1, 3, 9, 27, 353, 1059, 3177, 9531, 2152793, 6458379, 19375137, 58125411, 759935929, 2279807787, 6839423361, 20518270083]

約数ペア:

[(1, 20518270083), (3, 6839423361), (9, 2279807787), (27, 759935929), (353, 58125411), (1059, 19375137), (3177, 6458379), (9531, 2152793)]