20557588

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{859}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 37372160

約数和(自身を除く): 16814572

約数列:

[1, 2, 4, 31, 62, 124, 193, 386, 772, 859, 1718, 3436, 5983, 11966, 23932, 26629, 53258, 106516, 165787, 331574, 663148, 5139397, 10278794, 20557588]

約数ペア:

[(1, 20557588), (2, 10278794), (4, 5139397), (31, 663148), (62, 331574), (124, 165787), (193, 106516), (386, 53258), (772, 26629), (859, 23932), (1718, 11966), (3436, 5983)]