20844292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39181}}^1$

素因数の和:39211

約数の個数: 24

約数和(自身を含む): 43883840

約数和(自身を除く): 23039548

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39181, 78362, 156724, 274267, 548534, 744439, 1097068, 1488878, 2977756, 5211073, 10422146, 20844292]

約数ペア:

[(1, 20844292), (2, 10422146), (4, 5211073), (7, 2977756), (14, 1488878), (19, 1097068), (28, 744439), (38, 548534), (76, 274267), (133, 156724), (266, 78362), (532, 39181)]