20948928

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:155

約数の個数: 224

約数和(自身を含む): 75102720

約数和(自身を除く): 54153792

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 16, 21, 22, 24, 26, 28, 32, 33, 39, 42, 44, 48, 52, 56, 64, 66, 77, 78, 84, 88, 91, 96, 104, 109, 112, 132, 143, 154, 156, 168, 176, 182, 192, 208, 218, 224, 231, 264, 273, 286, 308, 312, 327, 336, 352, 364, 416, 429, 436, 448, 462, 528, 546, 572, 616, 624, 654, 672, 704, 728, 763, 832, 858, 872, 924, 1001, 1056, 1092, 1144, 1199, 1232, 1248, 1308, 1344, 1417, 1456, 1526, 1716, 1744, 1848, 2002, 2112, 2184, 2288, 2289, 2398, 2464, 2496, 2616, 2834, 2912, 3003, 3052, 3432, 3488, 3597, 3696, 4004, 4251, 4368, 4576, 4578, 4796, 4928, 5232, 5668, 5824, 6006, 6104, 6864, 6976, 7194, 7392, 8008, 8393, 8502, 8736, 9152, 9156, 9592, 9919, 10464, 11336, 12012, 12208, 13728, 14388, 14784, 15587, 16016, 16786, 17004, 17472, 18312, 19184, 19838, 20928, 22672, 24024, 24416, 25179, 27456, 28776, 29757, 31174, 32032, 33572, 34008, 36624, 38368, 39676, 45344, 46761, 48048, 48832, 50358, 57552, 59514, 62348, 64064, 67144, 68016, 73248, 76736, 79352, 90688, 93522, 96096, 100716, 109109, 115104, 119028, 124696, 134288, 136032, 146496, 158704, 187044, 192192, 201432, 218218, 230208, 238056, 249392, 268576, 272064, 317408, 327327, 374088, 402864, 436436, 476112, 498784, 537152, 634816, 654654, 748176, 805728, 872872, 952224, 997568, 1309308, 1496352, 1611456, 1745744, 1904448, 2618616, 2992704, 3491488, 5237232, 6982976, 10474464, 20948928]

約数ペア:

[(1, 20948928), (2, 10474464), (3, 6982976), (4, 5237232), (6, 3491488), (7, 2992704), (8, 2618616), (11, 1904448), (12, 1745744), (13, 1611456), (14, 1496352), (16, 1309308), (21, 997568), (22, 952224), (24, 872872), (26, 805728), (28, 748176), (32, 654654), (33, 634816), (39, 537152), (42, 498784), (44, 476112), (48, 436436), (52, 402864), (56, 374088), (64, 327327), (66, 317408), (77, 272064), (78, 268576), (84, 249392), (88, 238056), (91, 230208), (96, 218218), (104, 201432), (109, 192192), (112, 187044), (132, 158704), (143, 146496), (154, 136032), (156, 134288), (168, 124696), (176, 119028), (182, 115104), (192, 109109), (208, 100716), (218, 96096), (224, 93522), (231, 90688), (264, 79352), (273, 76736), (286, 73248), (308, 68016), (312, 67144), (327, 64064), (336, 62348), (352, 59514), (364, 57552), (416, 50358), (429, 48832), (436, 48048), (448, 46761), (462, 45344), (528, 39676), (546, 38368), (572, 36624), (616, 34008), (624, 33572), (654, 32032), (672, 31174), (704, 29757), (728, 28776), (763, 27456), (832, 25179), (858, 24416), (872, 24024), (924, 22672), (1001, 20928), (1056, 19838), (1092, 19184), (1144, 18312), (1199, 17472), (1232, 17004), (1248, 16786), (1308, 16016), (1344, 15587), (1417, 14784), (1456, 14388), (1526, 13728), (1716, 12208), (1744, 12012), (1848, 11336), (2002, 10464), (2112, 9919), (2184, 9592), (2288, 9156), (2289, 9152), (2398, 8736), (2464, 8502), (2496, 8393), (2616, 8008), (2834, 7392), (2912, 7194), (3003, 6976), (3052, 6864), (3432, 6104), (3488, 6006), (3597, 5824), (3696, 5668), (4004, 5232), (4251, 4928), (4368, 4796), (4576, 4578)]