20122520928

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{151}}^2\times {\mathrm{317}}^1$

素因数の和:661

約数の個数: 144

約数和(自身を含む): 55180848240

約数和(自身を除く): 35058327312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 151, 174, 232, 302, 317, 348, 453, 464, 604, 634, 696, 906, 928, 951, 1208, 1268, 1392, 1812, 1902, 2416, 2536, 2784, 3624, 3804, 4379, 4832, 5072, 7248, 7608, 8758, 9193, 10144, 13137, 14496, 15216, 17516, 18386, 22801, 26274, 27579, 30432, 35032, 36772, 45602, 47867, 52548, 55158, 68403, 70064, 73544, 91204, 95734, 105096, 110316, 136806, 140128, 143601, 147088, 182408, 191468, 210192, 220632, 273612, 287202, 294176, 364816, 382936, 420384, 441264, 547224, 574404, 661229, 729632, 765872, 882528, 1094448, 1148808, 1322458, 1388143, 1531744, 1983687, 2188896, 2297616, 2644916, 2776286, 3967374, 4164429, 4595232, 5289832, 5552572, 7227917, 7934748, 8328858, 10579664, 11105144, 14455834, 15869496, 16657716, 21159328, 21683751, 22210288, 28911668, 31738992, 33315432, 43367502, 44420576, 57823336, 63477984, 66630864, 86735004, 115646672, 133261728, 173470008, 209609593, 231293344, 346940016, 419219186, 628828779, 693880032, 838438372, 1257657558, 1676876744, 2515315116, 3353753488, 5030630232, 6707506976, 10061260464, 20122520928]

約数ペア:

[(1, 20122520928), (2, 10061260464), (3, 6707506976), (4, 5030630232), (6, 3353753488), (8, 2515315116), (12, 1676876744), (16, 1257657558), (24, 838438372), (29, 693880032), (32, 628828779), (48, 419219186), (58, 346940016), (87, 231293344), (96, 209609593), (116, 173470008), (151, 133261728), (174, 115646672), (232, 86735004), (302, 66630864), (317, 63477984), (348, 57823336), (453, 44420576), (464, 43367502), (604, 33315432), (634, 31738992), (696, 28911668), (906, 22210288), (928, 21683751), (951, 21159328), (1208, 16657716), (1268, 15869496), (1392, 14455834), (1812, 11105144), (1902, 10579664), (2416, 8328858), (2536, 7934748), (2784, 7227917), (3624, 5552572), (3804, 5289832), (4379, 4595232), (4832, 4164429), (5072, 3967374), (7248, 2776286), (7608, 2644916), (8758, 2297616), (9193, 2188896), (10144, 1983687), (13137, 1531744), (14496, 1388143), (15216, 1322458), (17516, 1148808), (18386, 1094448), (22801, 882528), (26274, 765872), (27579, 729632), (30432, 661229), (35032, 574404), (36772, 547224), (45602, 441264), (47867, 420384), (52548, 382936), (55158, 364816), (68403, 294176), (70064, 287202), (73544, 273612), (91204, 220632), (95734, 210192), (105096, 191468), (110316, 182408), (136806, 147088), (140128, 143601)]