20670160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{5273}}^1$

素因数の和:5300

約数の個数: 60

約数和(自身を含む): 55914948

約数和(自身を除く): 35244788

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 5273, 10546, 21092, 26365, 36911, 42184, 52730, 73822, 84368, 105460, 147644, 184555, 210920, 258377, 295288, 369110, 421840, 516754, 590576, 738220, 1033508, 1291885, 1476440, 2067016, 2583770, 2952880, 4134032, 5167540, 10335080, 20670160]

約数ペア:

[(1, 20670160), (2, 10335080), (4, 5167540), (5, 4134032), (7, 2952880), (8, 2583770), (10, 2067016), (14, 1476440), (16, 1291885), (20, 1033508), (28, 738220), (35, 590576), (40, 516754), (49, 421840), (56, 369110), (70, 295288), (80, 258377), (98, 210920), (112, 184555), (140, 147644), (196, 105460), (245, 84368), (280, 73822), (392, 52730), (490, 42184), (560, 36911), (784, 26365), (980, 21092), (1960, 10546), (3920, 5273)]