20435968

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2851}}^1$

素因数の和:2878

約数の個数: 44

約数和(自身を含む): 46704352

約数和(自身を除く): 26268384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2851, 3584, 5702, 7168, 11404, 19957, 22808, 39914, 45616, 79828, 91232, 159656, 182464, 319312, 364928, 638624, 729856, 1277248, 1459712, 2554496, 2919424, 5108992, 10217984, 20435968]

約数ペア:

[(1, 20435968), (2, 10217984), (4, 5108992), (7, 2919424), (8, 2554496), (14, 1459712), (16, 1277248), (28, 729856), (32, 638624), (56, 364928), (64, 319312), (112, 182464), (128, 159656), (224, 91232), (256, 79828), (448, 45616), (512, 39914), (896, 22808), (1024, 19957), (1792, 11404), (2851, 7168), (3584, 5702)]