20638464

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 68678400

約数和(自身を除く): 48039936

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 256, 264, 308, 336, 349, 352, 384, 448, 462, 528, 616, 672, 698, 704, 768, 896, 924, 1047, 1056, 1232, 1344, 1396, 1408, 1792, 1848, 2094, 2112, 2443, 2464, 2688, 2792, 2816, 3696, 3839, 4188, 4224, 4886, 4928, 5376, 5584, 7329, 7392, 7678, 8376, 8448, 9772, 9856, 11168, 11517, 14658, 14784, 15356, 16752, 19544, 19712, 22336, 23034, 26873, 29316, 29568, 30712, 33504, 39088, 44672, 46068, 53746, 58632, 59136, 61424, 67008, 78176, 80619, 89344, 92136, 107492, 117264, 122848, 134016, 156352, 161238, 184272, 214984, 234528, 245696, 268032, 312704, 322476, 368544, 429968, 469056, 491392, 625408, 644952, 737088, 859936, 938112, 982784, 1289904, 1474176, 1719872, 1876224, 2579808, 2948352, 3439744, 5159616, 6879488, 10319232, 20638464]

約数ペア:

[(1, 20638464), (2, 10319232), (3, 6879488), (4, 5159616), (6, 3439744), (7, 2948352), (8, 2579808), (11, 1876224), (12, 1719872), (14, 1474176), (16, 1289904), (21, 982784), (22, 938112), (24, 859936), (28, 737088), (32, 644952), (33, 625408), (42, 491392), (44, 469056), (48, 429968), (56, 368544), (64, 322476), (66, 312704), (77, 268032), (84, 245696), (88, 234528), (96, 214984), (112, 184272), (128, 161238), (132, 156352), (154, 134016), (168, 122848), (176, 117264), (192, 107492), (224, 92136), (231, 89344), (256, 80619), (264, 78176), (308, 67008), (336, 61424), (349, 59136), (352, 58632), (384, 53746), (448, 46068), (462, 44672), (528, 39088), (616, 33504), (672, 30712), (698, 29568), (704, 29316), (768, 26873), (896, 23034), (924, 22336), (1047, 19712), (1056, 19544), (1232, 16752), (1344, 15356), (1396, 14784), (1408, 14658), (1792, 11517), (1848, 11168), (2094, 9856), (2112, 9772), (2443, 8448), (2464, 8376), (2688, 7678), (2792, 7392), (2816, 7329), (3696, 5584), (3839, 5376), (4188, 4928), (4224, 4886)]