20022561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9007}}^1$

素因数の和:9045

約数の個数: 24

約数和(自身を含む): 32789120

約数和(自身を除く): 12766559

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9007, 27021, 81063, 117091, 171133, 351273, 513399, 1053819, 1540197, 2224729, 6674187, 20022561]

約数ペア:

[(1, 20022561), (3, 6674187), (9, 2224729), (13, 1540197), (19, 1053819), (39, 513399), (57, 351273), (117, 171133), (171, 117091), (247, 81063), (741, 27021), (2223, 9007)]