20680870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{295441}}^1$

素因数の和:295455

約数の個数: 16

約数和(自身を含む): 42543648

約数和(自身を除く): 21862778

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 295441, 590882, 1477205, 2068087, 2954410, 4136174, 10340435, 20680870]

約数ペア:

[(1, 20680870), (2, 10340435), (5, 4136174), (7, 2954410), (10, 2068087), (14, 1477205), (35, 590882), (70, 295441)]