20090052719

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{65789}}^1$

素因数の和:65911

約数の個数: 32

約数和(自身を含む): 24555985920

約数和(自身を除く): 4465933201

約数列:

[1, 11, 17, 23, 71, 187, 253, 391, 781, 1207, 1633, 4301, 13277, 17963, 27761, 65789, 305371, 723679, 1118413, 1513147, 4671019, 12302543, 16644617, 25723499, 51381209, 79407323, 107433437, 282958489, 873480553, 1181767807, 1826368429, 20090052719]

約数ペア:

[(1, 20090052719), (11, 1826368429), (17, 1181767807), (23, 873480553), (71, 282958489), (187, 107433437), (253, 79407323), (391, 51381209), (781, 25723499), (1207, 16644617), (1633, 12302543), (4301, 4671019), (13277, 1513147), (17963, 1118413), (27761, 723679), (65789, 305371)]