20135080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{10273}}^1$

素因数の和:10298

約数の個数: 48

約数和(自身を含む): 52705620

約数和(自身を除く): 32570540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 10273, 20546, 41092, 51365, 71911, 82184, 102730, 143822, 205460, 287644, 359555, 410920, 503377, 575288, 719110, 1006754, 1438220, 2013508, 2516885, 2876440, 4027016, 5033770, 10067540, 20135080]

約数ペア:

[(1, 20135080), (2, 10067540), (4, 5033770), (5, 4027016), (7, 2876440), (8, 2516885), (10, 2013508), (14, 1438220), (20, 1006754), (28, 719110), (35, 575288), (40, 503377), (49, 410920), (56, 359555), (70, 287644), (98, 205460), (140, 143822), (196, 102730), (245, 82184), (280, 71911), (392, 51365), (490, 41092), (980, 20546), (1960, 10273)]