20437961

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:520

約数の個数: 16

約数和(自身を含む): 22788864

約数和(自身を除く): 2350903

約数列:

[1, 17, 23, 167, 313, 391, 2839, 3841, 5321, 7199, 52271, 65297, 122383, 888607, 1202233, 20437961]

約数ペア:

[(1, 20437961), (17, 1202233), (23, 888607), (167, 122383), (313, 65297), (391, 52271), (2839, 7199), (3841, 5321)]