20119319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 23065344

約数和(自身を除く): 2946025

約数列:

[1, 11, 23, 253, 281, 283, 3091, 3113, 6463, 6509, 71093, 71599, 79523, 874753, 1829029, 20119319]

約数ペア:

[(1, 20119319), (11, 1829029), (23, 874753), (253, 79523), (281, 71599), (283, 71093), (3091, 6509), (3113, 6463)]