20126548

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1616

約数の個数: 36

約数和(自身を含む): 40172160

約数和(自身を除く): 20045612

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1567, 3134, 3211, 6268, 6422, 12844, 20371, 29773, 40742, 59546, 81484, 119092, 264823, 387049, 529646, 774098, 1059292, 1548196, 5031637, 10063274, 20126548]

約数ペア:

[(1, 20126548), (2, 10063274), (4, 5031637), (13, 1548196), (19, 1059292), (26, 774098), (38, 529646), (52, 387049), (76, 264823), (169, 119092), (247, 81484), (338, 59546), (494, 40742), (676, 29773), (988, 20371), (1567, 12844), (3134, 6422), (3211, 6268)]