20289702965

素因数分解:

$5^1\times 7^1\times {\mathrm{6343}}^1\times {\mathrm{91393}}^1$

素因数の和:97748

約数の個数: 16

約数和(自身を含む): 27830569728

約数和(自身を除く): 7540866763

約数列:

[1, 5, 7, 35, 6343, 31715, 44401, 91393, 222005, 456965, 639751, 3198755, 579705799, 2898528995, 4057940593, 20289702965]

約数ペア:

[(1, 20289702965), (5, 4057940593), (7, 2898528995), (35, 579705799), (6343, 3198755), (31715, 639751), (44401, 456965), (91393, 222005)]