20946688

素因数分解:

$2^8\times 7^1\times {\mathrm{11689}}^1$

素因数の和:11712

約数の個数: 36

約数和(自身を含む): 47788720

約数和(自身を除く): 26842032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11689, 23378, 46756, 81823, 93512, 163646, 187024, 327292, 374048, 654584, 748096, 1309168, 1496192, 2618336, 2992384, 5236672, 10473344, 20946688]

約数ペア:

[(1, 20946688), (2, 10473344), (4, 5236672), (7, 2992384), (8, 2618336), (14, 1496192), (16, 1309168), (28, 748096), (32, 654584), (56, 374048), (64, 327292), (112, 187024), (128, 163646), (224, 93512), (256, 81823), (448, 46756), (896, 23378), (1792, 11689)]