20685502981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2113}}^1\times {\mathrm{4027}}^1$

素因数の和:6181

約数の個数: 32

約数和(自身を含む): 25749940608

約数和(自身を除く): 5064437627

約数列:

[1, 11, 13, 17, 143, 187, 221, 2113, 2431, 4027, 23243, 27469, 35921, 44297, 52351, 68459, 302159, 395131, 466973, 575861, 753049, 889967, 5136703, 8509051, 9789637, 93599561, 110617663, 144653867, 1216794293, 1591192537, 1880500271, 20685502981]

約数ペア:

[(1, 20685502981), (11, 1880500271), (13, 1591192537), (17, 1216794293), (143, 144653867), (187, 110617663), (221, 93599561), (2113, 9789637), (2431, 8509051), (4027, 5136703), (23243, 889967), (27469, 753049), (35921, 575861), (44297, 466973), (52351, 395131), (68459, 302159)]