20005909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6337}}^1$

素因数の和:6396

約数の個数: 16

約数和(自身を含む): 25554816

約数和(自身を除く): 5548907

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 6337, 44359, 69707, 259817, 487949, 1818719, 2857987, 20005909]

約数ペア:

[(1, 20005909), (7, 2857987), (11, 1818719), (41, 487949), (77, 259817), (287, 69707), (451, 44359), (3157, 6337)]