20097168

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 65995776

約数和(自身を除く): 45898608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 43, 48, 52, 56, 78, 84, 86, 91, 104, 107, 112, 129, 156, 168, 172, 182, 208, 214, 258, 273, 301, 312, 321, 336, 344, 364, 428, 516, 546, 559, 602, 624, 642, 688, 728, 749, 856, 903, 1032, 1092, 1118, 1204, 1284, 1391, 1456, 1498, 1677, 1712, 1806, 2064, 2184, 2236, 2247, 2408, 2568, 2782, 2996, 3354, 3612, 3913, 4173, 4368, 4472, 4494, 4601, 4816, 5136, 5564, 5992, 6708, 7224, 7826, 8346, 8944, 8988, 9202, 9737, 11128, 11739, 11984, 13416, 13803, 14448, 15652, 16692, 17976, 18404, 19474, 22256, 23478, 26832, 27606, 29211, 31304, 32207, 33384, 35952, 36808, 38948, 46956, 55212, 58422, 59813, 62608, 64414, 66768, 73616, 77896, 93912, 96621, 110424, 116844, 119626, 128828, 155792, 179439, 187824, 193242, 220848, 233688, 239252, 257656, 358878, 386484, 418691, 467376, 478504, 515312, 717756, 772968, 837382, 957008, 1256073, 1435512, 1545936, 1674764, 2512146, 2871024, 3349528, 5024292, 6699056, 10048584, 20097168]

約数ペア:

[(1, 20097168), (2, 10048584), (3, 6699056), (4, 5024292), (6, 3349528), (7, 2871024), (8, 2512146), (12, 1674764), (13, 1545936), (14, 1435512), (16, 1256073), (21, 957008), (24, 837382), (26, 772968), (28, 717756), (39, 515312), (42, 478504), (43, 467376), (48, 418691), (52, 386484), (56, 358878), (78, 257656), (84, 239252), (86, 233688), (91, 220848), (104, 193242), (107, 187824), (112, 179439), (129, 155792), (156, 128828), (168, 119626), (172, 116844), (182, 110424), (208, 96621), (214, 93912), (258, 77896), (273, 73616), (301, 66768), (312, 64414), (321, 62608), (336, 59813), (344, 58422), (364, 55212), (428, 46956), (516, 38948), (546, 36808), (559, 35952), (602, 33384), (624, 32207), (642, 31304), (688, 29211), (728, 27606), (749, 26832), (856, 23478), (903, 22256), (1032, 19474), (1092, 18404), (1118, 17976), (1204, 16692), (1284, 15652), (1391, 14448), (1456, 13803), (1498, 13416), (1677, 11984), (1712, 11739), (1806, 11128), (2064, 9737), (2184, 9202), (2236, 8988), (2247, 8944), (2408, 8346), (2568, 7826), (2782, 7224), (2996, 6708), (3354, 5992), (3612, 5564), (3913, 5136), (4173, 4816), (4368, 4601), (4472, 4494)]