20043584

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:495

約数の個数: 56

約数和(自身を含む): 44110656

約数和(自身を除く): 24067072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 142, 176, 284, 352, 401, 568, 704, 781, 802, 1136, 1562, 1604, 2272, 3124, 3208, 4411, 4544, 6248, 6416, 8822, 12496, 12832, 17644, 24992, 25664, 28471, 35288, 49984, 56942, 70576, 113884, 141152, 227768, 282304, 313181, 455536, 626362, 911072, 1252724, 1822144, 2505448, 5010896, 10021792, 20043584]

約数ペア:

[(1, 20043584), (2, 10021792), (4, 5010896), (8, 2505448), (11, 1822144), (16, 1252724), (22, 911072), (32, 626362), (44, 455536), (64, 313181), (71, 282304), (88, 227768), (142, 141152), (176, 113884), (284, 70576), (352, 56942), (401, 49984), (568, 35288), (704, 28471), (781, 25664), (802, 24992), (1136, 17644), (1562, 12832), (1604, 12496), (2272, 8822), (3124, 6416), (3208, 6248), (4411, 4544)]