20847232

素因数分解:

$2^7\times 7^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 27623168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 371, 424, 439, 448, 742, 848, 878, 896, 1484, 1696, 1756, 2968, 3073, 3392, 3512, 5936, 6146, 6784, 7024, 11872, 12292, 14048, 23267, 23744, 24584, 28096, 46534, 47488, 49168, 56192, 93068, 98336, 162869, 186136, 196672, 325738, 372272, 393344, 651476, 744544, 1302952, 1489088, 2605904, 2978176, 5211808, 10423616, 20847232]

約数ペア:

[(1, 20847232), (2, 10423616), (4, 5211808), (7, 2978176), (8, 2605904), (14, 1489088), (16, 1302952), (28, 744544), (32, 651476), (53, 393344), (56, 372272), (64, 325738), (106, 196672), (112, 186136), (128, 162869), (212, 98336), (224, 93068), (371, 56192), (424, 49168), (439, 47488), (448, 46534), (742, 28096), (848, 24584), (878, 23744), (896, 23267), (1484, 14048), (1696, 12292), (1756, 11872), (2968, 7024), (3073, 6784), (3392, 6146), (3512, 5936)]