20794488

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 62657280

約数和(自身を除く): 41862792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 73, 78, 83, 88, 104, 132, 143, 146, 156, 166, 219, 249, 264, 286, 292, 312, 332, 429, 438, 498, 572, 584, 664, 803, 858, 876, 913, 949, 996, 1079, 1144, 1606, 1716, 1752, 1826, 1898, 1992, 2158, 2409, 2739, 2847, 3212, 3237, 3432, 3652, 3796, 4316, 4818, 5478, 5694, 6059, 6424, 6474, 7304, 7592, 8632, 9636, 10439, 10956, 11388, 11869, 12118, 12948, 18177, 19272, 20878, 21912, 22776, 23738, 24236, 25896, 31317, 35607, 36354, 41756, 47476, 48472, 62634, 66649, 71214, 72708, 78767, 83512, 94952, 125268, 133298, 142428, 145416, 157534, 199947, 236301, 250536, 266596, 284856, 315068, 399894, 472602, 533192, 630136, 799788, 866437, 945204, 1599576, 1732874, 1890408, 2599311, 3465748, 5198622, 6931496, 10397244, 20794488]

約数ペア:

[(1, 20794488), (2, 10397244), (3, 6931496), (4, 5198622), (6, 3465748), (8, 2599311), (11, 1890408), (12, 1732874), (13, 1599576), (22, 945204), (24, 866437), (26, 799788), (33, 630136), (39, 533192), (44, 472602), (52, 399894), (66, 315068), (73, 284856), (78, 266596), (83, 250536), (88, 236301), (104, 199947), (132, 157534), (143, 145416), (146, 142428), (156, 133298), (166, 125268), (219, 94952), (249, 83512), (264, 78767), (286, 72708), (292, 71214), (312, 66649), (332, 62634), (429, 48472), (438, 47476), (498, 41756), (572, 36354), (584, 35607), (664, 31317), (803, 25896), (858, 24236), (876, 23738), (913, 22776), (949, 21912), (996, 20878), (1079, 19272), (1144, 18177), (1606, 12948), (1716, 12118), (1752, 11869), (1826, 11388), (1898, 10956), (1992, 10439), (2158, 9636), (2409, 8632), (2739, 7592), (2847, 7304), (3212, 6474), (3237, 6424), (3432, 6059), (3652, 5694), (3796, 5478), (4316, 4818)]