20476258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13109}}^1$

素因数の和:13193

約数の個数: 16

約数和(自身を含む): 33981120

約数和(自身を除く): 13504862

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13109, 26218, 144199, 288398, 930739, 1861478, 10238129, 20476258]

約数ペア:

[(1, 20476258), (2, 10238129), (11, 1861478), (22, 930739), (71, 288398), (142, 144199), (781, 26218), (1562, 13109)]