20207600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1031}}^1$

素因数の和:1063

約数の個数: 90

約数和(自身を含む): 56529864

約数和(自身を除く): 36322264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1031, 1225, 1400, 1960, 2062, 2450, 2800, 3920, 4124, 4900, 5155, 7217, 8248, 9800, 10310, 14434, 16496, 19600, 20620, 25775, 28868, 36085, 41240, 50519, 51550, 57736, 72170, 82480, 101038, 103100, 115472, 144340, 180425, 202076, 206200, 252595, 288680, 360850, 404152, 412400, 505190, 577360, 721700, 808304, 1010380, 1262975, 1443400, 2020760, 2525950, 2886800, 4041520, 5051900, 10103800, 20207600]

約数ペア:

[(1, 20207600), (2, 10103800), (4, 5051900), (5, 4041520), (7, 2886800), (8, 2525950), (10, 2020760), (14, 1443400), (16, 1262975), (20, 1010380), (25, 808304), (28, 721700), (35, 577360), (40, 505190), (49, 412400), (50, 404152), (56, 360850), (70, 288680), (80, 252595), (98, 206200), (100, 202076), (112, 180425), (140, 144340), (175, 115472), (196, 103100), (200, 101038), (245, 82480), (280, 72170), (350, 57736), (392, 51550), (400, 50519), (490, 41240), (560, 36085), (700, 28868), (784, 25775), (980, 20620), (1031, 19600), (1225, 16496), (1400, 14434), (1960, 10310), (2062, 9800), (2450, 8248), (2800, 7217), (3920, 5155), (4124, 4900)]