20604248

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2647}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 44486400

約数和(自身を除く): 23882152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 2647, 3892, 5294, 7784, 10588, 18529, 21176, 37058, 74116, 148232, 367933, 735866, 1471732, 2575531, 2943464, 5151062, 10302124, 20604248]

約数ペア:

[(1, 20604248), (2, 10302124), (4, 5151062), (7, 2943464), (8, 2575531), (14, 1471732), (28, 735866), (56, 367933), (139, 148232), (278, 74116), (556, 37058), (973, 21176), (1112, 18529), (1946, 10588), (2647, 7784), (3892, 5294)]