20051119

素因数分解:

${\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22529664

約数和(自身を除く): 2478545

約数列:

[1, 11, 53, 163, 211, 583, 1793, 2321, 8639, 11183, 34393, 95029, 123013, 378323, 1822829, 20051119]

約数ペア:

[(1, 20051119), (11, 1822829), (53, 378323), (163, 123013), (211, 95029), (583, 34393), (1793, 11183), (2321, 8639)]