20890432

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7591}}^1$

素因数の和:7646

約数の個数: 28

約数和(自身を含む): 42424096

約数和(自身を除く): 21533664

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7591, 15182, 30364, 60728, 121456, 242912, 326413, 485824, 652826, 1305652, 2611304, 5222608, 10445216, 20890432]

約数ペア:

[(1, 20890432), (2, 10445216), (4, 5222608), (8, 2611304), (16, 1305652), (32, 652826), (43, 485824), (64, 326413), (86, 242912), (172, 121456), (344, 60728), (688, 30364), (1376, 15182), (2752, 7591)]