20568660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48973}}^1$

素因数の和:48992

約数の個数: 48

約数和(自身を含む): 65821056

約数和(自身を除く): 45252396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48973, 97946, 146919, 195892, 244865, 293838, 342811, 489730, 587676, 685622, 734595, 979460, 1028433, 1371244, 1469190, 1714055, 2056866, 2938380, 3428110, 4113732, 5142165, 6856220, 10284330, 20568660]

約数ペア:

[(1, 20568660), (2, 10284330), (3, 6856220), (4, 5142165), (5, 4113732), (6, 3428110), (7, 2938380), (10, 2056866), (12, 1714055), (14, 1469190), (15, 1371244), (20, 1028433), (21, 979460), (28, 734595), (30, 685622), (35, 587676), (42, 489730), (60, 342811), (70, 293838), (84, 244865), (105, 195892), (140, 146919), (210, 97946), (420, 48973)]