20055147824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65970881}}^1$

素因数の和:65970908

約数の個数: 20

約数和(自身を含む): 40901946840

約数和(自身を除く): 20846799016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65970881, 131941762, 263883524, 527767048, 1055534096, 1253446739, 2506893478, 5013786956, 10027573912, 20055147824]

約数ペア:

[(1, 20055147824), (2, 10027573912), (4, 5013786956), (8, 2506893478), (16, 1253446739), (19, 1055534096), (38, 527767048), (76, 263883524), (152, 131941762), (304, 65970881)]