20547248

素因数分解:

$2^4\times {\mathrm{563}}^1\times {\mathrm{2281}}^1$

素因数の和:2852

約数の個数: 20

約数和(自身を含む): 39898488

約数和(自身を除く): 19351240

約数列:

[1, 2, 4, 8, 16, 563, 1126, 2252, 2281, 4504, 4562, 9008, 9124, 18248, 36496, 1284203, 2568406, 5136812, 10273624, 20547248]

約数ペア:

[(1, 20547248), (2, 10273624), (4, 5136812), (8, 2568406), (16, 1284203), (563, 36496), (1126, 18248), (2252, 9124), (2281, 9008), (4504, 4562)]