20850372004

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{879169}}^1$

素因数の和:879209

約数の個数: 54

約数和(自身を含む): 46654914390

約数和(自身を除く): 25804542386

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3388, 5929, 11858, 23716, 879169, 1758338, 3516676, 6154183, 9670859, 12308366, 19341718, 24616732, 38683436, 43079281, 67696013, 86158562, 106379449, 135392026, 172317124, 212758898, 270784052, 425517796, 473872091, 744656143, 947744182, 1489312286, 1895488364, 2978624572, 5212593001, 10425186002, 20850372004]

約数ペア:

[(1, 20850372004), (2, 10425186002), (4, 5212593001), (7, 2978624572), (11, 1895488364), (14, 1489312286), (22, 947744182), (28, 744656143), (44, 473872091), (49, 425517796), (77, 270784052), (98, 212758898), (121, 172317124), (154, 135392026), (196, 106379449), (242, 86158562), (308, 67696013), (484, 43079281), (539, 38683436), (847, 24616732), (1078, 19341718), (1694, 12308366), (2156, 9670859), (3388, 6154183), (5929, 3516676), (11858, 1758338), (23716, 879169)]