20217872

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43573}}^1$

素因数の和:43610

約数の個数: 20

約数和(自身を含む): 40523820

約数和(自身を除く): 20305948

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 43573, 87146, 174292, 348584, 697168, 1263617, 2527234, 5054468, 10108936, 20217872]

約数ペア:

[(1, 20217872), (2, 10108936), (4, 5054468), (8, 2527234), (16, 1263617), (29, 697168), (58, 348584), (116, 174292), (232, 87146), (464, 43573)]