20380136

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{829}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 43824000

約数和(自身を除く): 23443864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 829, 878, 1658, 1756, 3073, 3316, 3512, 5803, 6146, 6632, 11606, 12292, 23212, 24584, 46424, 363931, 727862, 1455724, 2547517, 2911448, 5095034, 10190068, 20380136]

約数ペア:

[(1, 20380136), (2, 10190068), (4, 5095034), (7, 2911448), (8, 2547517), (14, 1455724), (28, 727862), (56, 363931), (439, 46424), (829, 24584), (878, 23212), (1658, 12292), (1756, 11606), (3073, 6632), (3316, 6146), (3512, 5803)]