20349728

素因数分解:

$2^5\times 7^1\times {\mathrm{90847}}^1$

素因数の和:90864

約数の個数: 24

約数和(自身を含む): 45787392

約数和(自身を除く): 25437664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90847, 181694, 363388, 635929, 726776, 1271858, 1453552, 2543716, 2907104, 5087432, 10174864, 20349728]

約数ペア:

[(1, 20349728), (2, 10174864), (4, 5087432), (7, 2907104), (8, 2543716), (14, 1453552), (16, 1271858), (28, 726776), (32, 635929), (56, 363388), (112, 181694), (224, 90847)]