20471770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186107}}^1$

素因数の和:186125

約数の個数: 16

約数和(自身を含む): 40199328

約数和(自身を除く): 19727558

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186107, 372214, 930535, 1861070, 2047177, 4094354, 10235885, 20471770]

約数ペア:

[(1, 20471770), (2, 10235885), (5, 4094354), (10, 2047177), (11, 1861070), (22, 930535), (55, 372214), (110, 186107)]