20885854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7247}}^1$

素因数の和:7391

約数の個数: 16

約数和(自身を含む): 34442496

約数和(自身を除く): 13556642

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7247, 14494, 79717, 159434, 949357, 1898714, 10442927, 20885854]

約数ペア:

[(1, 20885854), (2, 10442927), (11, 1898714), (22, 949357), (131, 159434), (262, 79717), (1441, 14494), (2882, 7247)]