20902320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9677}}^1$

素因数の和:9699

約数の個数: 80

約数和(自身を含む): 72004320

約数和(自身を除く): 51102000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9677, 19354, 29031, 38708, 48385, 58062, 77416, 87093, 96770, 116124, 145155, 154832, 174186, 193540, 232248, 261279, 290310, 348372, 387080, 435465, 464496, 522558, 580620, 696744, 774160, 870930, 1045116, 1161240, 1306395, 1393488, 1741860, 2090232, 2322480, 2612790, 3483720, 4180464, 5225580, 6967440, 10451160, 20902320]

約数ペア:

[(1, 20902320), (2, 10451160), (3, 6967440), (4, 5225580), (5, 4180464), (6, 3483720), (8, 2612790), (9, 2322480), (10, 2090232), (12, 1741860), (15, 1393488), (16, 1306395), (18, 1161240), (20, 1045116), (24, 870930), (27, 774160), (30, 696744), (36, 580620), (40, 522558), (45, 464496), (48, 435465), (54, 387080), (60, 348372), (72, 290310), (80, 261279), (90, 232248), (108, 193540), (120, 174186), (135, 154832), (144, 145155), (180, 116124), (216, 96770), (240, 87093), (270, 77416), (360, 58062), (432, 48385), (540, 38708), (720, 29031), (1080, 19354), (2160, 9677)]