20976321

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:656

約数の個数: 16

約数和(自身を含む): 28486080

約数和(自身を除く): 7509759

約数列:

[1, 3, 89, 251, 267, 313, 753, 939, 22339, 27857, 67017, 78563, 83571, 235689, 6992107, 20976321]

約数ペア:

[(1, 20976321), (3, 6992107), (89, 235689), (251, 83571), (267, 78563), (313, 67017), (753, 27857), (939, 22339)]