20165642056

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:759

約数の個数: 128

約数和(自身を含む): 44859628800

約数和(自身を除く): 24693986744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 73, 122, 146, 193, 244, 292, 386, 419, 427, 488, 511, 584, 772, 838, 854, 1022, 1351, 1544, 1676, 1708, 2044, 2702, 2933, 3352, 3416, 4088, 4453, 5404, 5866, 8906, 10808, 11732, 11773, 14089, 17812, 23464, 23546, 25559, 28178, 30587, 31171, 35624, 47092, 51118, 56356, 61174, 62342, 80867, 82411, 94184, 98623, 102236, 112712, 122348, 124684, 161734, 164822, 178913, 197246, 204472, 214109, 244696, 249368, 323468, 329644, 357826, 394492, 428218, 566069, 646936, 659288, 715652, 788984, 856436, 859429, 1132138, 1431304, 1712872, 1718858, 1865807, 2264276, 3437716, 3731614, 4528552, 4932887, 5903291, 6016003, 6875432, 7463228, 9865774, 11806582, 12032006, 13060649, 14926456, 19731548, 23613164, 24064012, 26121298, 34530209, 39463096, 41323037, 47226328, 48128024, 52242596, 69060418, 82646074, 104485192, 138120836, 165292148, 276241672, 330584296, 360100751, 720201502, 1440403004, 2520705257, 2880806008, 5041410514, 10082821028, 20165642056]

約数ペア:

[(1, 20165642056), (2, 10082821028), (4, 5041410514), (7, 2880806008), (8, 2520705257), (14, 1440403004), (28, 720201502), (56, 360100751), (61, 330584296), (73, 276241672), (122, 165292148), (146, 138120836), (193, 104485192), (244, 82646074), (292, 69060418), (386, 52242596), (419, 48128024), (427, 47226328), (488, 41323037), (511, 39463096), (584, 34530209), (772, 26121298), (838, 24064012), (854, 23613164), (1022, 19731548), (1351, 14926456), (1544, 13060649), (1676, 12032006), (1708, 11806582), (2044, 9865774), (2702, 7463228), (2933, 6875432), (3352, 6016003), (3416, 5903291), (4088, 4932887), (4453, 4528552), (5404, 3731614), (5866, 3437716), (8906, 2264276), (10808, 1865807), (11732, 1718858), (11773, 1712872), (14089, 1431304), (17812, 1132138), (23464, 859429), (23546, 856436), (25559, 788984), (28178, 715652), (30587, 659288), (31171, 646936), (35624, 566069), (47092, 428218), (51118, 394492), (56356, 357826), (61174, 329644), (62342, 323468), (80867, 249368), (82411, 244696), (94184, 214109), (98623, 204472), (102236, 197246), (112712, 178913), (122348, 164822), (124684, 161734)]