20664596

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 37218720

約数和(自身を除く): 16554124

約数列:

[1, 2, 4, 43, 86, 172, 317, 379, 634, 758, 1268, 1516, 13631, 16297, 27262, 32594, 54524, 65188, 120143, 240286, 480572, 5166149, 10332298, 20664596]

約数ペア:

[(1, 20664596), (2, 10332298), (4, 5166149), (43, 480572), (86, 240286), (172, 120143), (317, 65188), (379, 54524), (634, 32594), (758, 27262), (1268, 16297), (1516, 13631)]