20867504

素因数分解:

$2^4\times 7^1\times {\mathrm{186317}}^1$

素因数の和:186332

約数の個数: 20

約数和(自身を含む): 46206864

約数和(自身を除く): 25339360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186317, 372634, 745268, 1304219, 1490536, 2608438, 2981072, 5216876, 10433752, 20867504]

約数ペア:

[(1, 20867504), (2, 10433752), (4, 5216876), (7, 2981072), (8, 2608438), (14, 1490536), (16, 1304219), (28, 745268), (56, 372634), (112, 186317)]