20423424

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 144

約数和(自身を含む): 64753920

約数和(自身を除く): 44330496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 64, 84, 87, 96, 112, 116, 128, 131, 168, 174, 192, 203, 224, 232, 256, 262, 336, 348, 384, 393, 406, 448, 464, 524, 609, 672, 696, 768, 786, 812, 896, 917, 928, 1048, 1218, 1344, 1392, 1572, 1624, 1792, 1834, 1856, 2096, 2436, 2688, 2751, 2784, 3144, 3248, 3668, 3712, 3799, 4192, 4872, 5376, 5502, 5568, 6288, 6496, 7336, 7424, 7598, 8384, 9744, 11004, 11136, 11397, 12576, 12992, 14672, 15196, 16768, 19488, 22008, 22272, 22794, 25152, 25984, 26593, 29344, 30392, 33536, 38976, 44016, 45588, 50304, 51968, 53186, 58688, 60784, 77952, 79779, 88032, 91176, 100608, 106372, 117376, 121568, 155904, 159558, 176064, 182352, 212744, 234752, 243136, 319116, 352128, 364704, 425488, 486272, 638232, 704256, 729408, 850976, 972544, 1276464, 1458816, 1701952, 2552928, 2917632, 3403904, 5105856, 6807808, 10211712, 20423424]

約数ペア:

[(1, 20423424), (2, 10211712), (3, 6807808), (4, 5105856), (6, 3403904), (7, 2917632), (8, 2552928), (12, 1701952), (14, 1458816), (16, 1276464), (21, 972544), (24, 850976), (28, 729408), (29, 704256), (32, 638232), (42, 486272), (48, 425488), (56, 364704), (58, 352128), (64, 319116), (84, 243136), (87, 234752), (96, 212744), (112, 182352), (116, 176064), (128, 159558), (131, 155904), (168, 121568), (174, 117376), (192, 106372), (203, 100608), (224, 91176), (232, 88032), (256, 79779), (262, 77952), (336, 60784), (348, 58688), (384, 53186), (393, 51968), (406, 50304), (448, 45588), (464, 44016), (524, 38976), (609, 33536), (672, 30392), (696, 29344), (768, 26593), (786, 25984), (812, 25152), (896, 22794), (917, 22272), (928, 22008), (1048, 19488), (1218, 16768), (1344, 15196), (1392, 14672), (1572, 12992), (1624, 12576), (1792, 11397), (1834, 11136), (1856, 11004), (2096, 9744), (2436, 8384), (2688, 7598), (2751, 7424), (2784, 7336), (3144, 6496), (3248, 6288), (3668, 5568), (3712, 5502), (3799, 5376), (4192, 4872)]