20560176

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:560

約数の個数: 160

約数和(自身を含む): 72773120

約数和(自身を除く): 52212944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 234, 252, 273, 312, 336, 351, 364, 378, 432, 468, 504, 523, 546, 624, 702, 728, 756, 819, 936, 1008, 1046, 1092, 1404, 1456, 1512, 1569, 1638, 1872, 2092, 2184, 2457, 2808, 3024, 3138, 3276, 3661, 4184, 4368, 4707, 4914, 5616, 6276, 6552, 6799, 7322, 8368, 9414, 9828, 10983, 12552, 13104, 13598, 14121, 14644, 18828, 19656, 20397, 21966, 25104, 27196, 28242, 29288, 32949, 37656, 39312, 40794, 43932, 47593, 54392, 56484, 58576, 61191, 65898, 75312, 81588, 87864, 95186, 98847, 108784, 112968, 122382, 131796, 142779, 163176, 175728, 183573, 190372, 197694, 225936, 244764, 263592, 285558, 326352, 367146, 380744, 395388, 428337, 489528, 527184, 571116, 734292, 761488, 790776, 856674, 979056, 1142232, 1285011, 1468584, 1581552, 1713348, 2284464, 2570022, 2937168, 3426696, 5140044, 6853392, 10280088, 20560176]

約数ペア:

[(1, 20560176), (2, 10280088), (3, 6853392), (4, 5140044), (6, 3426696), (7, 2937168), (8, 2570022), (9, 2284464), (12, 1713348), (13, 1581552), (14, 1468584), (16, 1285011), (18, 1142232), (21, 979056), (24, 856674), (26, 790776), (27, 761488), (28, 734292), (36, 571116), (39, 527184), (42, 489528), (48, 428337), (52, 395388), (54, 380744), (56, 367146), (63, 326352), (72, 285558), (78, 263592), (84, 244764), (91, 225936), (104, 197694), (108, 190372), (112, 183573), (117, 175728), (126, 163176), (144, 142779), (156, 131796), (168, 122382), (182, 112968), (189, 108784), (208, 98847), (216, 95186), (234, 87864), (252, 81588), (273, 75312), (312, 65898), (336, 61191), (351, 58576), (364, 56484), (378, 54392), (432, 47593), (468, 43932), (504, 40794), (523, 39312), (546, 37656), (624, 32949), (702, 29288), (728, 28242), (756, 27196), (819, 25104), (936, 21966), (1008, 20397), (1046, 19656), (1092, 18828), (1404, 14644), (1456, 14121), (1512, 13598), (1569, 13104), (1638, 12552), (1872, 10983), (2092, 9828), (2184, 9414), (2457, 8368), (2808, 7322), (3024, 6799), (3138, 6552), (3276, 6276), (3661, 5616), (4184, 4914), (4368, 4707)]