20414464

素因数分解:

$2^{15}\times 7^1\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 47185200

約数和(自身を除く): 26770736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 512, 623, 712, 896, 1024, 1246, 1424, 1792, 2048, 2492, 2848, 3584, 4096, 4984, 5696, 7168, 8192, 9968, 11392, 14336, 16384, 19936, 22784, 28672, 32768, 39872, 45568, 57344, 79744, 91136, 114688, 159488, 182272, 229376, 318976, 364544, 637952, 729088, 1275904, 1458176, 2551808, 2916352, 5103616, 10207232, 20414464]

約数ペア:

[(1, 20414464), (2, 10207232), (4, 5103616), (7, 2916352), (8, 2551808), (14, 1458176), (16, 1275904), (28, 729088), (32, 637952), (56, 364544), (64, 318976), (89, 229376), (112, 182272), (128, 159488), (178, 114688), (224, 91136), (256, 79744), (356, 57344), (448, 45568), (512, 39872), (623, 32768), (712, 28672), (896, 22784), (1024, 19936), (1246, 16384), (1424, 14336), (1792, 11392), (2048, 9968), (2492, 8192), (2848, 7168), (3584, 5696), (4096, 4984)]