20590010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2749}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22177990

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2749, 3745, 5498, 7490, 13745, 19243, 27490, 38486, 96215, 192430, 294143, 588286, 1470715, 2059001, 2941430, 4118002, 10295005, 20590010]

約数ペア:

[(1, 20590010), (2, 10295005), (5, 4118002), (7, 2941430), (10, 2059001), (14, 1470715), (35, 588286), (70, 294143), (107, 192430), (214, 96215), (535, 38486), (749, 27490), (1070, 19243), (1498, 13745), (2749, 7490), (3745, 5498)]