20177836

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16759}}^1$

素因数の和:16813

約数の個数: 24

約数和(自身を含む): 41296640

約数和(自身を除く): 21118804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16759, 33518, 67036, 117313, 234626, 469252, 720637, 1441274, 2882548, 5044459, 10088918, 20177836]

約数ペア:

[(1, 20177836), (2, 10088918), (4, 5044459), (7, 2882548), (14, 1441274), (28, 720637), (43, 469252), (86, 234626), (172, 117313), (301, 67036), (602, 33518), (1204, 16759)]