20256488

素因数分解:

$2^3\times 7^1\times {\mathrm{361723}}^1$

素因数の和:361736

約数の個数: 16

約数和(自身を含む): 43406880

約数和(自身を除く): 23150392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 361723, 723446, 1446892, 2532061, 2893784, 5064122, 10128244, 20256488]

約数ペア:

[(1, 20256488), (2, 10128244), (4, 5064122), (7, 2893784), (8, 2532061), (14, 1446892), (28, 723446), (56, 361723)]