20161358404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{6389}}^1\times {\mathrm{71719}}^1$

素因数の和:78123

約数の個数: 24

約数和(自身を含む): 38496427200

約数和(自身を除く): 18335068796

約数列:

[1, 2, 4, 11, 22, 44, 6389, 12778, 25556, 70279, 71719, 140558, 143438, 281116, 286876, 788909, 1577818, 3155636, 458212691, 916425382, 1832850764, 5040339601, 10080679202, 20161358404]

約数ペア:

[(1, 20161358404), (2, 10080679202), (4, 5040339601), (11, 1832850764), (22, 916425382), (44, 458212691), (6389, 3155636), (12778, 1577818), (25556, 788909), (70279, 286876), (71719, 281116), (140558, 143438)]