20887834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20201}}^1$

素因数の和:20261

約数の個数: 16

約数和(自身を含む): 34909056

約数和(自身を除く): 14021222

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20201, 40402, 222211, 444422, 949447, 1898894, 10443917, 20887834]

約数ペア:

[(1, 20887834), (2, 10443917), (11, 1898894), (22, 949447), (47, 444422), (94, 222211), (517, 40402), (1034, 20201)]