20546568

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45808632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 107, 108, 126, 127, 168, 189, 214, 216, 252, 254, 321, 378, 381, 428, 504, 508, 642, 749, 756, 762, 856, 889, 963, 1016, 1143, 1284, 1498, 1512, 1524, 1778, 1926, 2247, 2286, 2568, 2667, 2889, 2996, 3048, 3429, 3556, 3852, 4494, 4572, 5334, 5778, 5992, 6741, 6858, 7112, 7704, 8001, 8988, 9144, 10668, 11556, 13482, 13589, 13716, 16002, 17976, 20223, 21336, 23112, 24003, 26964, 27178, 27432, 32004, 40446, 40767, 48006, 53928, 54356, 64008, 80892, 81534, 95123, 96012, 108712, 122301, 161784, 163068, 190246, 192024, 244602, 285369, 326136, 366903, 380492, 489204, 570738, 733806, 760984, 856107, 978408, 1141476, 1467612, 1712214, 2282952, 2568321, 2935224, 3424428, 5136642, 6848856, 10273284, 20546568]

約数ペア:

[(1, 20546568), (2, 10273284), (3, 6848856), (4, 5136642), (6, 3424428), (7, 2935224), (8, 2568321), (9, 2282952), (12, 1712214), (14, 1467612), (18, 1141476), (21, 978408), (24, 856107), (27, 760984), (28, 733806), (36, 570738), (42, 489204), (54, 380492), (56, 366903), (63, 326136), (72, 285369), (84, 244602), (107, 192024), (108, 190246), (126, 163068), (127, 161784), (168, 122301), (189, 108712), (214, 96012), (216, 95123), (252, 81534), (254, 80892), (321, 64008), (378, 54356), (381, 53928), (428, 48006), (504, 40767), (508, 40446), (642, 32004), (749, 27432), (756, 27178), (762, 26964), (856, 24003), (889, 23112), (963, 21336), (1016, 20223), (1143, 17976), (1284, 16002), (1498, 13716), (1512, 13589), (1524, 13482), (1778, 11556), (1926, 10668), (2247, 9144), (2286, 8988), (2568, 8001), (2667, 7704), (2889, 7112), (2996, 6858), (3048, 6741), (3429, 5992), (3556, 5778), (3852, 5334), (4494, 4572)]