20840896

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7573}}^1$

素因数の和:7628

約数の個数: 28

約数和(自身を含む): 42323512

約数和(自身を除く): 21482616

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7573, 15146, 30292, 60584, 121168, 242336, 325639, 484672, 651278, 1302556, 2605112, 5210224, 10420448, 20840896]

約数ペア:

[(1, 20840896), (2, 10420448), (4, 5210224), (8, 2605112), (16, 1302556), (32, 651278), (43, 484672), (64, 325639), (86, 242336), (172, 121168), (344, 60584), (688, 30292), (1376, 15146), (2752, 7573)]