20320174084

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16877221}}^1$

素因数の和:16877275

約数の個数: 24

約数和(自身を含む): 41585475008

約数和(自身を除く): 21265300924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16877221, 33754442, 67508884, 118140547, 236281094, 472562188, 725720503, 1451441006, 2902882012, 5080043521, 10160087042, 20320174084]

約数ペア:

[(1, 20320174084), (2, 10160087042), (4, 5080043521), (7, 2902882012), (14, 1451441006), (28, 725720503), (43, 472562188), (86, 236281094), (172, 118140547), (301, 67508884), (602, 33754442), (1204, 16877221)]