20454337

素因数分解:

${\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 12

約数和(自身を含む): 21790080

約数和(自身を除く): 1335743

約数列:

[1, 23, 61, 239, 1403, 3721, 5497, 14579, 85583, 335317, 889319, 20454337]

約数ペア:

[(1, 20454337), (23, 889319), (61, 335317), (239, 85583), (1403, 14579), (3721, 5497)]