20808614915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2099}}^1\times {\mathrm{180247}}^1$

素因数の和:182362

約数の個数: 16

約数和(自身を含む): 27253497600

約数和(自身を除く): 6444882685

約数列:

[1, 5, 11, 55, 2099, 10495, 23089, 115445, 180247, 901235, 1982717, 9913585, 378338453, 1891692265, 4161722983, 20808614915]

約数ペア:

[(1, 20808614915), (5, 4161722983), (11, 1891692265), (55, 378338453), (2099, 9913585), (10495, 1982717), (23089, 901235), (115445, 180247)]