20888933884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1082777}}^1$

素因数の和:1082854

約数の個数: 48

約数和(自身を含む): 45840489408

約数和(自身を除く): 24951555524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 182, 212, 364, 371, 689, 742, 1378, 1484, 2756, 4823, 9646, 19292, 1082777, 2165554, 4331108, 7579439, 14076101, 15158878, 28152202, 30317756, 56304404, 57387181, 98532707, 114774362, 197065414, 229548724, 394130828, 401710267, 746033353, 803420534, 1492066706, 1606841068, 2984133412, 5222233471, 10444466942, 20888933884]

約数ペア:

[(1, 20888933884), (2, 10444466942), (4, 5222233471), (7, 2984133412), (13, 1606841068), (14, 1492066706), (26, 803420534), (28, 746033353), (52, 401710267), (53, 394130828), (91, 229548724), (106, 197065414), (182, 114774362), (212, 98532707), (364, 57387181), (371, 56304404), (689, 30317756), (742, 28152202), (1378, 15158878), (1484, 14076101), (2756, 7579439), (4823, 4331108), (9646, 2165554), (19292, 1082777)]