20247864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 63651840

約数和(自身を除く): 43403976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 73, 78, 84, 91, 104, 127, 146, 156, 168, 182, 219, 254, 273, 292, 312, 364, 381, 438, 508, 511, 546, 584, 728, 762, 876, 889, 949, 1016, 1022, 1092, 1524, 1533, 1651, 1752, 1778, 1898, 2044, 2184, 2667, 2847, 3048, 3066, 3302, 3556, 3796, 4088, 4953, 5334, 5694, 6132, 6604, 6643, 7112, 7592, 9271, 9906, 10668, 11388, 11557, 12264, 13208, 13286, 18542, 19812, 19929, 21336, 22776, 23114, 26572, 27813, 34671, 37084, 39624, 39858, 46228, 53144, 55626, 64897, 69342, 74168, 79716, 92456, 111252, 120523, 129794, 138684, 159432, 194691, 222504, 241046, 259588, 277368, 361569, 389382, 482092, 519176, 723138, 778764, 843661, 964184, 1446276, 1557528, 1687322, 2530983, 2892552, 3374644, 5061966, 6749288, 10123932, 20247864]

約数ペア:

[(1, 20247864), (2, 10123932), (3, 6749288), (4, 5061966), (6, 3374644), (7, 2892552), (8, 2530983), (12, 1687322), (13, 1557528), (14, 1446276), (21, 964184), (24, 843661), (26, 778764), (28, 723138), (39, 519176), (42, 482092), (52, 389382), (56, 361569), (73, 277368), (78, 259588), (84, 241046), (91, 222504), (104, 194691), (127, 159432), (146, 138684), (156, 129794), (168, 120523), (182, 111252), (219, 92456), (254, 79716), (273, 74168), (292, 69342), (312, 64897), (364, 55626), (381, 53144), (438, 46228), (508, 39858), (511, 39624), (546, 37084), (584, 34671), (728, 27813), (762, 26572), (876, 23114), (889, 22776), (949, 21336), (1016, 19929), (1022, 19812), (1092, 18542), (1524, 13286), (1533, 13208), (1651, 12264), (1752, 11557), (1778, 11388), (1898, 10668), (2044, 9906), (2184, 9271), (2667, 7592), (2847, 7112), (3048, 6643), (3066, 6604), (3302, 6132), (3556, 5694), (3796, 5334), (4088, 4953)]