20641503

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 28153440

約数和(自身を除く): 7511937

約数列:

[1, 3, 89, 97, 267, 291, 797, 2391, 8633, 25899, 70933, 77309, 212799, 231927, 6880501, 20641503]

約数ペア:

[(1, 20641503), (3, 6880501), (89, 231927), (97, 212799), (267, 77309), (291, 70933), (797, 25899), (2391, 8633)]