20178946432

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{3666233}}^1$

素因数の和:3666290

約数の個数: 32

約数和(自身を含む): 41135145480

約数和(自身を除く): 20956199048

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 3666233, 7332466, 14664932, 29329864, 58659728, 117319456, 157648019, 234638912, 315296038, 469277824, 630592076, 1261184152, 2522368304, 5044736608, 10089473216, 20178946432]

約数ペア:

[(1, 20178946432), (2, 10089473216), (4, 5044736608), (8, 2522368304), (16, 1261184152), (32, 630592076), (43, 469277824), (64, 315296038), (86, 234638912), (128, 157648019), (172, 117319456), (344, 58659728), (688, 29329864), (1376, 14664932), (2752, 7332466), (5504, 3666233)]