20877519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{5003}}^1$

素因数の和:5126

約数の個数: 16

約数和(自身を含む): 30264192

約数和(自身を除く): 9386673

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 5003, 15009, 65039, 195117, 535321, 1605963, 6959173, 20877519]

約数ペア:

[(1, 20877519), (3, 6959173), (13, 1605963), (39, 535321), (107, 195117), (321, 65039), (1391, 15009), (4173, 5003)]