20158534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{39839}}^1$

素因数の和:39875

約数の個数: 16

約数和(自身を含む): 34421760

約数和(自身を除く): 14263226

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 39839, 79678, 438229, 876458, 916297, 1832594, 10079267, 20158534]

約数ペア:

[(1, 20158534), (2, 10079267), (11, 1832594), (22, 916297), (23, 876458), (46, 438229), (253, 79678), (506, 39839)]