20968528

素因数分解:

$2^4\times 7^1\times {\mathrm{187219}}^1$

素因数の和:187234

約数の個数: 20

約数和(自身を含む): 46430560

約数和(自身を除く): 25462032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187219, 374438, 748876, 1310533, 1497752, 2621066, 2995504, 5242132, 10484264, 20968528]

約数ペア:

[(1, 20968528), (2, 10484264), (4, 5242132), (7, 2995504), (8, 2621066), (14, 1497752), (16, 1310533), (28, 748876), (56, 374438), (112, 187219)]