20137534864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1249847}}^1$

素因数の和:1249927

約数の個数: 40

約数和(自身を含む): 41844911040

約数和(自身を除く): 21707376176

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 2014, 4028, 8056, 16112, 1249847, 2499694, 4999388, 9998776, 19997552, 23747093, 47494186, 66241891, 94988372, 132483782, 189976744, 264967564, 379953488, 529935128, 1059870256, 1258595929, 2517191858, 5034383716, 10068767432, 20137534864]

約数ペア:

[(1, 20137534864), (2, 10068767432), (4, 5034383716), (8, 2517191858), (16, 1258595929), (19, 1059870256), (38, 529935128), (53, 379953488), (76, 264967564), (106, 189976744), (152, 132483782), (212, 94988372), (304, 66241891), (424, 47494186), (848, 23747093), (1007, 19997552), (2014, 9998776), (4028, 4999388), (8056, 2499694), (16112, 1249847)]