20601984

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4127}}^1$

素因数の和:4157

約数の個数: 64

約数和(自身を含む): 58947840

約数和(自身を除く): 38345856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4127, 4992, 8254, 12381, 16508, 24762, 33016, 49524, 53651, 66032, 99048, 107302, 132064, 160953, 198096, 214604, 264128, 321906, 396192, 429208, 528256, 643812, 792384, 858416, 1287624, 1584768, 1716832, 2575248, 3433664, 5150496, 6867328, 10300992, 20601984]

約数ペア:

[(1, 20601984), (2, 10300992), (3, 6867328), (4, 5150496), (6, 3433664), (8, 2575248), (12, 1716832), (13, 1584768), (16, 1287624), (24, 858416), (26, 792384), (32, 643812), (39, 528256), (48, 429208), (52, 396192), (64, 321906), (78, 264128), (96, 214604), (104, 198096), (128, 160953), (156, 132064), (192, 107302), (208, 99048), (312, 66032), (384, 53651), (416, 49524), (624, 33016), (832, 24762), (1248, 16508), (1664, 12381), (2496, 8254), (4127, 4992)]