20445597

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2297}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 31546944

約数和(自身を除く): 11101347

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2297, 2967, 6891, 8901, 20673, 52831, 98771, 158493, 296313, 475479, 888939, 2271733, 6815199, 20445597]

約数ペア:

[(1, 20445597), (3, 6815199), (9, 2271733), (23, 888939), (43, 475479), (69, 296313), (129, 158493), (207, 98771), (387, 52831), (989, 20673), (2297, 8901), (2967, 6891)]