20165761891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1\times {\mathrm{3877}}^1$

素因数の和:4555

約数の個数: 32

約数和(自身を含む): 23766865920

約数和(自身を除く): 3601104029

約数列:

[1, 11, 19, 41, 209, 451, 607, 779, 3877, 6677, 8569, 11533, 24887, 42647, 73663, 126863, 158957, 273757, 472853, 810293, 1748527, 2353339, 3020183, 5201383, 25886729, 33222013, 44713441, 96486899, 491847851, 1061355889, 1833251081, 20165761891]

約数ペア:

[(1, 20165761891), (11, 1833251081), (19, 1061355889), (41, 491847851), (209, 96486899), (451, 44713441), (607, 33222013), (779, 25886729), (3877, 5201383), (6677, 3020183), (8569, 2353339), (11533, 1748527), (24887, 810293), (42647, 472853), (73663, 273757), (126863, 158957)]