20051911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 22625568

約数和(自身を除く): 2573657

約数列:

[1, 11, 41, 173, 257, 451, 1903, 2827, 7093, 10537, 44461, 78023, 115907, 489071, 1822901, 20051911]

約数ペア:

[(1, 20051911), (11, 1822901), (41, 489071), (173, 115907), (257, 78023), (451, 44461), (1903, 10537), (2827, 7093)]