20942009

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1033}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 24319680

約数和(自身を除く): 3377671

約数列:

[1, 11, 19, 97, 209, 1033, 1067, 1843, 11363, 19627, 20273, 100201, 215897, 1102211, 1903819, 20942009]

約数ペア:

[(1, 20942009), (11, 1903819), (19, 1102211), (97, 215897), (209, 100201), (1033, 20273), (1067, 19627), (1843, 11363)]