20102912

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4133}}^1$

素因数の和:4168

約数の個数: 36

約数和(自身を含む): 42249480

約数和(自身を除く): 22146568

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4133, 4864, 8266, 16532, 33064, 66128, 78527, 132256, 157054, 264512, 314108, 529024, 628216, 1058048, 1256432, 2512864, 5025728, 10051456, 20102912]

約数ペア:

[(1, 20102912), (2, 10051456), (4, 5025728), (8, 2512864), (16, 1256432), (19, 1058048), (32, 628216), (38, 529024), (64, 314108), (76, 264512), (128, 157054), (152, 132256), (256, 78527), (304, 66128), (608, 33064), (1216, 16532), (2432, 8266), (4133, 4864)]