20214381

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 9662739

約数列:

[1, 3, 11, 33, 121, 233, 239, 363, 699, 717, 2563, 2629, 7689, 7887, 28193, 28919, 55687, 84579, 86757, 167061, 612557, 1837671, 6738127, 20214381]

約数ペア:

[(1, 20214381), (3, 6738127), (11, 1837671), (33, 612557), (121, 167061), (233, 86757), (239, 84579), (363, 55687), (699, 28919), (717, 28193), (2563, 7887), (2629, 7689)]