20172984009

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1\times {\mathrm{82003}}^1$

素因数の和:83956

約数の個数: 16

約数和(自身を含む): 27537599232

約数和(自身を除く): 7364615223

約数列:

[1, 3, 43, 129, 1907, 5721, 82001, 82003, 246003, 246009, 3526129, 10578387, 156379721, 469139163, 6724328003, 20172984009]

約数ペア:

[(1, 20172984009), (3, 6724328003), (43, 469139163), (129, 156379721), (1907, 10578387), (5721, 3526129), (82001, 246009), (82003, 246003)]