20252259

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 30730752

約数和(自身を除く): 10478493

約数列:

[1, 3, 9, 23, 69, 207, 227, 431, 681, 1293, 2043, 3879, 5221, 9913, 15663, 29739, 46989, 89217, 97837, 293511, 880533, 2250251, 6750753, 20252259]

約数ペア:

[(1, 20252259), (3, 6750753), (9, 2250251), (23, 880533), (69, 293511), (207, 97837), (227, 89217), (431, 46989), (681, 29739), (1293, 15663), (2043, 9913), (3879, 5221)]