20297214

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3929}}^1$

素因数の和:3985

約数の個数: 48

約数和(自身を含む): 51498720

約数和(自身を除く): 31201506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3929, 5166, 7858, 11787, 23574, 27503, 35361, 55006, 70722, 82509, 161089, 165018, 247527, 322178, 483267, 495054, 966534, 1127623, 1449801, 2255246, 2899602, 3382869, 6765738, 10148607, 20297214]

約数ペア:

[(1, 20297214), (2, 10148607), (3, 6765738), (6, 3382869), (7, 2899602), (9, 2255246), (14, 1449801), (18, 1127623), (21, 966534), (41, 495054), (42, 483267), (63, 322178), (82, 247527), (123, 165018), (126, 161089), (246, 82509), (287, 70722), (369, 55006), (574, 35361), (738, 27503), (861, 23574), (1722, 11787), (2583, 7858), (3929, 5166)]