20785436

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10169}}^1$

素因数の和:10253

約数の個数: 24

約数和(自身を含む): 42144480

約数和(自身を除く): 21359044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10169, 20338, 40676, 71183, 142366, 284732, 742337, 1484674, 2969348, 5196359, 10392718, 20785436]

約数ペア:

[(1, 20785436), (2, 10392718), (4, 5196359), (7, 2969348), (14, 1484674), (28, 742337), (73, 284732), (146, 142366), (292, 71183), (511, 40676), (1022, 20338), (2044, 10169)]