20894584

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63703}}^1$

素因数の和:63750

約数の個数: 16

約数和(自身を含む): 40133520

約数和(自身を除く): 19238936

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63703, 127406, 254812, 509624, 2611823, 5223646, 10447292, 20894584]

約数ペア:

[(1, 20894584), (2, 10447292), (4, 5223646), (8, 2611823), (41, 509624), (82, 254812), (164, 127406), (328, 63703)]