20508712

素因数分解:

$2^3\times 7^1\times {\mathrm{366227}}^1$

素因数の和:366240

約数の個数: 16

約数和(自身を含む): 43947360

約数和(自身を除く): 23438648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 366227, 732454, 1464908, 2563589, 2929816, 5127178, 10254356, 20508712]

約数ペア:

[(1, 20508712), (2, 10254356), (4, 5127178), (7, 2929816), (8, 2563589), (14, 1464908), (28, 732454), (56, 366227)]