20686800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17239}}^1$

素因数の和:17260

約数の個数: 60

約数和(自身を含む): 66270560

約数和(自身を除く): 45583760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 150, 200, 240, 300, 400, 600, 1200, 17239, 34478, 51717, 68956, 86195, 103434, 137912, 172390, 206868, 258585, 275824, 344780, 413736, 430975, 517170, 689560, 827472, 861950, 1034340, 1292925, 1379120, 1723900, 2068680, 2585850, 3447800, 4137360, 5171700, 6895600, 10343400, 20686800]

約数ペア:

[(1, 20686800), (2, 10343400), (3, 6895600), (4, 5171700), (5, 4137360), (6, 3447800), (8, 2585850), (10, 2068680), (12, 1723900), (15, 1379120), (16, 1292925), (20, 1034340), (24, 861950), (25, 827472), (30, 689560), (40, 517170), (48, 430975), (50, 413736), (60, 344780), (75, 275824), (80, 258585), (100, 206868), (120, 172390), (150, 137912), (200, 103434), (240, 86195), (300, 68956), (400, 51717), (600, 34478), (1200, 17239)]