20762700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9887}}^1$

素因数の和:9911

約数の個数: 72

約数和(自身を含む): 68662272

約数和(自身を除く): 47899572

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9887, 19774, 29661, 39548, 49435, 59322, 69209, 98870, 118644, 138418, 148305, 197740, 207627, 247175, 276836, 296610, 346045, 415254, 494350, 593220, 692090, 741525, 830508, 988700, 1038135, 1384180, 1483050, 1730225, 2076270, 2966100, 3460450, 4152540, 5190675, 6920900, 10381350, 20762700]

約数ペア:

[(1, 20762700), (2, 10381350), (3, 6920900), (4, 5190675), (5, 4152540), (6, 3460450), (7, 2966100), (10, 2076270), (12, 1730225), (14, 1483050), (15, 1384180), (20, 1038135), (21, 988700), (25, 830508), (28, 741525), (30, 692090), (35, 593220), (42, 494350), (50, 415254), (60, 346045), (70, 296610), (75, 276836), (84, 247175), (100, 207627), (105, 197740), (140, 148305), (150, 138418), (175, 118644), (210, 98870), (300, 69209), (350, 59322), (420, 49435), (525, 39548), (700, 29661), (1050, 19774), (2100, 9887)]