20490844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{465701}}^1$

素因数の和:465716

約数の個数: 12

約数和(自身を含む): 39118968

約数和(自身を除く): 18628124

約数列:

[1, 2, 4, 11, 22, 44, 465701, 931402, 1862804, 5122711, 10245422, 20490844]

約数ペア:

[(1, 20490844), (2, 10245422), (4, 5122711), (11, 1862804), (22, 931402), (44, 465701)]