20655362

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:583

約数の個数: 48

約数和(自身を含む): 40142592

約数和(自身を除く): 19487230

約数列:

[1, 2, 7, 13, 14, 26, 31, 49, 62, 91, 98, 182, 217, 403, 434, 523, 637, 806, 1046, 1274, 1519, 2821, 3038, 3661, 5642, 6799, 7322, 13598, 16213, 19747, 25627, 32426, 39494, 47593, 51254, 95186, 113491, 210769, 226982, 333151, 421538, 666302, 794437, 1475383, 1588874, 2950766, 10327681, 20655362]

約数ペア:

[(1, 20655362), (2, 10327681), (7, 2950766), (13, 1588874), (14, 1475383), (26, 794437), (31, 666302), (49, 421538), (62, 333151), (91, 226982), (98, 210769), (182, 113491), (217, 95186), (403, 51254), (434, 47593), (523, 39494), (637, 32426), (806, 25627), (1046, 19747), (1274, 16213), (1519, 13598), (2821, 7322), (3038, 6799), (3661, 5642)]