20396544

素因数分解:

$2^9\times 3^1\times 7^2\times {\mathrm{271}}^1$

素因数の和:306

約数の個数: 120

約数和(自身を含む): 63442368

約数和(自身を除く): 43045824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 271, 294, 336, 384, 392, 448, 512, 542, 588, 672, 768, 784, 813, 896, 1084, 1176, 1344, 1536, 1568, 1626, 1792, 1897, 2168, 2352, 2688, 3136, 3252, 3584, 3794, 4336, 4704, 5376, 5691, 6272, 6504, 7588, 8672, 9408, 10752, 11382, 12544, 13008, 13279, 15176, 17344, 18816, 22764, 25088, 26016, 26558, 30352, 34688, 37632, 39837, 45528, 52032, 53116, 60704, 69376, 75264, 79674, 91056, 104064, 106232, 121408, 138752, 159348, 182112, 208128, 212464, 242816, 318696, 364224, 416256, 424928, 485632, 637392, 728448, 849856, 971264, 1274784, 1456896, 1699712, 2549568, 2913792, 3399424, 5099136, 6798848, 10198272, 20396544]

約数ペア:

[(1, 20396544), (2, 10198272), (3, 6798848), (4, 5099136), (6, 3399424), (7, 2913792), (8, 2549568), (12, 1699712), (14, 1456896), (16, 1274784), (21, 971264), (24, 849856), (28, 728448), (32, 637392), (42, 485632), (48, 424928), (49, 416256), (56, 364224), (64, 318696), (84, 242816), (96, 212464), (98, 208128), (112, 182112), (128, 159348), (147, 138752), (168, 121408), (192, 106232), (196, 104064), (224, 91056), (256, 79674), (271, 75264), (294, 69376), (336, 60704), (384, 53116), (392, 52032), (448, 45528), (512, 39837), (542, 37632), (588, 34688), (672, 30352), (768, 26558), (784, 26016), (813, 25088), (896, 22764), (1084, 18816), (1176, 17344), (1344, 15176), (1536, 13279), (1568, 13008), (1626, 12544), (1792, 11382), (1897, 10752), (2168, 9408), (2352, 8672), (2688, 7588), (3136, 6504), (3252, 6272), (3584, 5691), (3794, 5376), (4336, 4704)]