20416594

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 35220096

約数和(自身を除く): 14803502

約数列:

[1, 2, 11, 22, 23, 46, 157, 253, 257, 314, 506, 514, 1727, 2827, 3454, 3611, 5654, 5911, 7222, 11822, 39721, 40349, 65021, 79442, 80698, 130042, 443839, 887678, 928027, 1856054, 10208297, 20416594]

約数ペア:

[(1, 20416594), (2, 10208297), (11, 1856054), (22, 928027), (23, 887678), (46, 443839), (157, 130042), (253, 80698), (257, 79442), (314, 65021), (506, 40349), (514, 39721), (1727, 11822), (2827, 7222), (3454, 5911), (3611, 5654)]