20506808

素因数分解:

$2^3\times 7^1\times {\mathrm{366193}}^1$

素因数の和:366206

約数の個数: 16

約数和(自身を含む): 43943280

約数和(自身を除く): 23436472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 366193, 732386, 1464772, 2563351, 2929544, 5126702, 10253404, 20506808]

約数ペア:

[(1, 20506808), (2, 10253404), (4, 5126702), (7, 2929544), (8, 2563351), (14, 1464772), (28, 732386), (56, 366193)]